diff --git a/cmake/TC-i686-w64-mingw32.cmake b/cmake/TC-i686-w64-mingw32.cmake
index 1edbc723a..9e503d7e2 100644
--- a/cmake/TC-i686-w64-mingw32.cmake
+++ b/cmake/TC-i686-w64-mingw32.cmake
@@ -7,6 +7,7 @@ set(TOOLCHAIN_PREFIX i686-w64-mingw32)
 set(CMAKE_C_COMPILER  ${TOOLCHAIN_PREFIX}-gcc)
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
 set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+set(PKG_CONFIG_EXECUTABLE ${TOOLCHAIN_PREFIX}-pkg-config)
 
 # where is the target environment located
 set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
diff --git a/cmake/TC-x86_64-w64-mingw32.cmake b/cmake/TC-x86_64-w64-mingw32.cmake
index 31496252e..51d3001a2 100644
--- a/cmake/TC-x86_64-w64-mingw32.cmake
+++ b/cmake/TC-x86_64-w64-mingw32.cmake
@@ -7,6 +7,7 @@ set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
 set(CMAKE_C_COMPILER  ${TOOLCHAIN_PREFIX}-gcc)
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
 set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+set(PKG_CONFIG_EXECUTABLE ${TOOLCHAIN_PREFIX}-pkg-config)
 
 # where is the target environment located
 set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})