diff --git a/src/gif/gif.pri b/src/gif/gif.pri
index eeba94a3..e2dd0a87 100644
--- a/src/gif/gif.pri
+++ b/src/gif/gif.pri
@@ -2,10 +2,12 @@ VPATH += $$PWD
 INCLUDEPATH += $$PWD
 
 DEFINES += HAVE_CONFIG_H
-DEFINES += HAVE_STDINT_H
 DEFINES += HAVE_FCNTL_H
-DEFINES += HAVE_UNISTD_H
 DEFINES += HAVE_STDARG_H
+!win32-msvc* {
+    DEFINES += HAVE_STDINT_H
+    DEFINES += HAVE_UNISTD_H
+}
 
 SOURCES += gif_err.c
 SOURCES += gifalloc.c
diff --git a/src/gif/gif_hash.h b/src/gif/gif_hash.h
index 19024dd2..3696b47c 100644
--- a/src/gif/gif_hash.h
+++ b/src/gif/gif_hash.h
@@ -17,6 +17,8 @@
 /* Find a thirty-two bit int type */
 #ifdef HAVE_STDINT_H
 #include <stdint.h>
+#else if defined(Q_CC_MSVC)
+typedef unsigned __int32 uint32_t;
 #endif
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>