diff --git a/Makefile.am b/Makefile.am
index 57caf48c..db0253f2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -43,7 +43,7 @@ PROJ_PREFIX = /usr/i686-w64-mingw32
 mingw_iss : survex.iss
 	$(RM) -rf iss_tmp
 	mkdir iss_tmp
-	$(MAKE) install DESTDIR=$(PWD)/iss_tmp
+	$(MAKE) install-strip DESTDIR=$(PWD)/iss_tmp
 	:
 	cp survex.iss iss_tmp
 	: # so the installer can display the license