diff --git a/src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm b/src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm
index ddc29388553..bc6e8971c5d 100644
--- a/src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm
+++ b/src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm
@@ -39,6 +39,7 @@
 
 #include "qcocoacolordialoghelper.h"
 #include "qcocoahelpers.h"
+#include "qcocoaeventdispatcher.h"
 
 #import <AppKit/AppKit.h>
 
@@ -318,6 +319,10 @@ - (BOOL)runApplicationModalPanel
     // cleanup of modal sessions. Do this before showing the native dialog, otherwise it will
     // close down during the cleanup.
     qApp->processEvents(QEventLoop::ExcludeUserInputEvents | QEventLoop::ExcludeSocketNotifiers);
+
+    // Make sure we don't interrupt the runModalForWindow call.
+    QCocoaEventDispatcher::clearCurrentThreadCocoaEventDispatcherInterruptFlag();
+
     [NSApp runModalForWindow:mColorPanel];
     mDialogIsExecuting = false;
     return (mResultCode == NSOKButton);
diff --git a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.h b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.h
index 8a2a478a723..569dd3b028a 100644
--- a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.h
+++ b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.h
@@ -125,6 +125,8 @@ class QCocoaEventDispatcher : public QAbstractEventDispatcher
     void interrupt();
     void flush();
 
+    static void clearCurrentThreadCocoaEventDispatcherInterruptFlag();
+
     friend void qt_mac_maybeCancelWaitForMoreEventsForwarder(QAbstractEventDispatcher *eventDispatcher);
 };
 
diff --git a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm
index 1cfb3ecff90..09a0e149507 100644
--- a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm
+++ b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm
@@ -960,6 +960,19 @@ void qt_mac_maybeCancelWaitForMoreEventsForwarder(QAbstractEventDispatcher *even
 void QCocoaEventDispatcher::flush()
 { }
 
+// QTBUG-56746: The behavior of processEvents() has been changed to not clear
+// the interrupt flag. Use this function to clear it.
+ void QCocoaEventDispatcher::clearCurrentThreadCocoaEventDispatcherInterruptFlag()
+{
+    QCocoaEventDispatcher *cocoaEventDispatcher =
+            qobject_cast<QCocoaEventDispatcher *>(QThread::currentThread()->eventDispatcher());
+    if (!cocoaEventDispatcher)
+        return;
+    QCocoaEventDispatcherPrivate *cocoaEventDispatcherPrivate =
+            static_cast<QCocoaEventDispatcherPrivate *>(QObjectPrivate::get(cocoaEventDispatcher));
+    cocoaEventDispatcherPrivate->interrupt = false;
+}
+
 QCocoaEventDispatcher::~QCocoaEventDispatcher()
 {
     Q_D(QCocoaEventDispatcher);
diff --git a/src/plugins/platforms/cocoa/qcocoafiledialoghelper.mm b/src/plugins/platforms/cocoa/qcocoafiledialoghelper.mm
index 10eadd01525..56f2abc2fdd 100644
--- a/src/plugins/platforms/cocoa/qcocoafiledialoghelper.mm
+++ b/src/plugins/platforms/cocoa/qcocoafiledialoghelper.mm
@@ -47,6 +47,7 @@
 #include "qt_mac_p.h"
 #include "qcocoahelpers.h"
 #include "qcocoamenubar.h"
+#include "qcocoaeventdispatcher.h"
 #include <qregexp.h>
 #include <qbuffer.h>
 #include <qdebug.h>
@@ -237,6 +238,10 @@ - (BOOL)runApplicationModalPanel
     // cleanup of modal sessions. Do this before showing the native dialog, otherwise it will
     // close down during the cleanup.
     qApp->processEvents(QEventLoop::ExcludeUserInputEvents | QEventLoop::ExcludeSocketNotifiers);
+
+    // Make sure we don't interrupt the runModal call below.
+    QCocoaEventDispatcher::clearCurrentThreadCocoaEventDispatcherInterruptFlag();
+
     QCocoaMenuBar::redirectKnownMenuItemsToFirstResponder();
     mReturnCode = [mSavePanel runModal];
     QCocoaMenuBar::resetKnownMenuItemsToQt();
diff --git a/src/plugins/platforms/cocoa/qcocoafontdialoghelper.mm b/src/plugins/platforms/cocoa/qcocoafontdialoghelper.mm
index c1c871f02b2..a2238f4fd6e 100644
--- a/src/plugins/platforms/cocoa/qcocoafontdialoghelper.mm
+++ b/src/plugins/platforms/cocoa/qcocoafontdialoghelper.mm
@@ -43,6 +43,7 @@
 
 #include "qcocoafontdialoghelper.h"
 #include "qcocoahelpers.h"
+#include "qcocoaeventdispatcher.h"
 
 #import <AppKit/AppKit.h>
 
@@ -313,6 +314,10 @@ - (BOOL)runApplicationModalPanel
     // cleanup of modal sessions. Do this before showing the native dialog, otherwise it will
     // close down during the cleanup.
     qApp->processEvents(QEventLoop::ExcludeUserInputEvents | QEventLoop::ExcludeSocketNotifiers);
+
+    // Make sure we don't interrupt the runModalForWindow call.
+    QCocoaEventDispatcher::clearCurrentThreadCocoaEventDispatcherInterruptFlag();
+
     [NSApp runModalForWindow:mFontPanel];
     mDialogIsExecuting = false;
     return (mResultCode == NSOKButton);
diff --git a/src/plugins/platforms/cocoa/qcocoanativeinterface.h b/src/plugins/platforms/cocoa/qcocoanativeinterface.h
index d018c056357..d6786b92744 100644
--- a/src/plugins/platforms/cocoa/qcocoanativeinterface.h
+++ b/src/plugins/platforms/cocoa/qcocoanativeinterface.h
@@ -96,6 +96,8 @@ public Q_SLOTS:
     */
     Q_INVOKABLE QPixmap defaultBackgroundPixmapForQWizard();
 
+    Q_INVOKABLE void clearCurrentThreadCocoaEventDispatcherInterruptFlag();
+
     // QMacPastebardMime support. The mac pasteboard void pointers are
     // QMacPastebardMime instances from the cocoa plugin or qtmacextras
     // These two classes are kept in sync and can be casted between.
diff --git a/src/plugins/platforms/cocoa/qcocoanativeinterface.mm b/src/plugins/platforms/cocoa/qcocoanativeinterface.mm
index baee4519031..8534c1c6fbf 100644
--- a/src/plugins/platforms/cocoa/qcocoanativeinterface.mm
+++ b/src/plugins/platforms/cocoa/qcocoanativeinterface.mm
@@ -38,6 +38,7 @@
 #include "qcocoahelpers.h"
 #include "qcocoaapplication.h"
 #include "qcocoaintegration.h"
+#include "qcocoaeventdispatcher.h"
 
 #include <qbytearray.h>
 #include <qwindow.h>
@@ -193,6 +194,11 @@
     return QPixmap();
 }
 
+void QCocoaNativeInterface::clearCurrentThreadCocoaEventDispatcherInterruptFlag()
+{
+    QCocoaEventDispatcher::clearCurrentThreadCocoaEventDispatcherInterruptFlag();
+}
+
 void QCocoaNativeInterface::onAppFocusWindowChanged(QWindow *window)
 {
     Q_UNUSED(window);
diff --git a/src/printsupport/dialogs/qpagesetupdialog_mac.mm b/src/printsupport/dialogs/qpagesetupdialog_mac.mm
index b86de31883b..9c86c5a90e2 100644
--- a/src/printsupport/dialogs/qpagesetupdialog_mac.mm
+++ b/src/printsupport/dialogs/qpagesetupdialog_mac.mm
@@ -127,6 +127,11 @@ - (void)pageLayoutDidEnd:(NSPageLayout *)pageLayout
     QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate) *delegate = [[QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate) alloc] initWithNSPrintInfo:printInfo];
 
     if (modality == Qt::ApplicationModal) {
+
+        // Make sure we don't interrupt the runModalWithPrintInfo call.
+        (void) QMetaObject::invokeMethod(qApp->platformNativeInterface(),
+                                         "clearCurrentThreadCocoaEventDispatcherInterruptFlag");
+
         int rval = [pageLayout runModalWithPrintInfo:printInfo];
         [delegate pageLayoutDidEnd:pageLayout returnCode:rval contextInfo:q];
     } else {
diff --git a/src/printsupport/dialogs/qprintdialog_mac.mm b/src/printsupport/dialogs/qprintdialog_mac.mm
index 030526954dc..964b20dac58 100644
--- a/src/printsupport/dialogs/qprintdialog_mac.mm
+++ b/src/printsupport/dialogs/qprintdialog_mac.mm
@@ -239,6 +239,11 @@ - (void)printPanelDidEnd:(NSPrintPanel *)printPanel
     if (modality == Qt::ApplicationModal || !q->parentWidget()) {
         if (modality == Qt::NonModal)
             qWarning("QPrintDialog is required to be modal on OS X");
+
+        // Make sure we don't interrupt the runModalWithPrintInfo call.
+        (void) QMetaObject::invokeMethod(qApp->platformNativeInterface(),
+                                         "clearCurrentThreadCocoaEventDispatcherInterruptFlag");
+
         int rval = [printPanel runModalWithPrintInfo:printInfo];
         [delegate printPanelDidEnd:printPanel returnCode:rval contextInfo:q];
     } else {