diff --git a/mkspecs/common/g++-win32.conf b/mkspecs/common/g++-win32.conf
index d4067f60b6..a1e08ed63b 100644
--- a/mkspecs/common/g++-win32.conf
+++ b/mkspecs/common/g++-win32.conf
@@ -31,7 +31,7 @@ QMAKE_YACCFLAGS         = -d
 
 QMAKE_CFLAGS_SSE2      += -mstackrealign
 
-QMAKE_CXXFLAGS_EXCEPTIONS_ON = -fexceptions -mthreads
+QMAKE_CXXFLAGS_EXCEPTIONS_ON = -fexceptions
 
 QMAKE_INCDIR            =
 
@@ -40,7 +40,6 @@ QMAKE_RUN_CC_IMP        = $(CC) -c $(CFLAGS) $(INCPATH) -o $@ $<
 QMAKE_RUN_CXX           = $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $obj $src
 QMAKE_RUN_CXX_IMP       = $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $@ $<
 
-QMAKE_LFLAGS_EXCEPTIONS_ON = -mthreads
 QMAKE_LFLAGS_RELEASE    = -Wl,-s
 QMAKE_LFLAGS_CONSOLE    = -Wl,-subsystem,console
 QMAKE_LFLAGS_WINDOWS    = -Wl,-subsystem,windows
diff --git a/mkspecs/win32-g++/qmake.conf b/mkspecs/win32-g++/qmake.conf
index 5de482f23b..1987fa77d4 100644
--- a/mkspecs/win32-g++/qmake.conf
+++ b/mkspecs/win32-g++/qmake.conf
@@ -19,6 +19,7 @@ QMAKE_CFLAGS_WARN_ON   += -Wextra
 QMAKE_CXX               = $${CROSS_COMPILE}g++
 QMAKE_CXXFLAGS         += -fno-keep-inline-dllexport
 QMAKE_CXXFLAGS_WARN_ON  = $$QMAKE_CFLAGS_WARN_ON
+QMAKE_CXXFLAGS_EXCEPTIONS_ON += -mthreads
 
 QMAKE_LINK              = $${CROSS_COMPILE}g++
 QMAKE_LINK_C            = $${CROSS_COMPILE}gcc
@@ -26,5 +27,6 @@ QMAKE_LINK_C            = $${CROSS_COMPILE}gcc
 QMAKE_CFLAGS_LTCG       = -flto
 QMAKE_CXXFLAGS_LTCG     = $$QMAKE_CFLAGS_LTCG
 QMAKE_LFLAGS_LTCG       = $$QMAKE_CFLAGS_LTCG
+QMAKE_LFLAGS_EXCEPTIONS_ON += -mthreads
 
 load(qt_config)