diff --git a/qtbase/mkspecs/common/msvc-desktop.conf b/qtbase/mkspecs/common/msvc-desktop.conf
index 80fcd9b..1b9d57b 100644
--- a/qtbase/mkspecs/common/msvc-desktop.conf
+++ b/qtbase/mkspecs/common/msvc-desktop.conf
@@ -29,9 +29,9 @@
 QMAKE_YACCFLAGS         = -d
 QMAKE_CFLAGS            = -nologo -Zc:wchar_t
 QMAKE_CFLAGS_WARN_ON    = -W3
 QMAKE_CFLAGS_WARN_OFF   = -W0
-QMAKE_CFLAGS_RELEASE    = -O2 -MT
-QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO += -O2 -MT -Zi
-QMAKE_CFLAGS_DEBUG      = -Zi -MTd
+QMAKE_CFLAGS_RELEASE    = -O2 -MD
+QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO += -O2 -MD -Zi
+QMAKE_CFLAGS_DEBUG      = -Zi -MDd
 QMAKE_CFLAGS_YACC       =
 QMAKE_CFLAGS_LTCG       = -GL