diff --git a/dlls/oleaut32/olepicture.c b/dlls/oleaut32/olepicture.c
index bdce729..7ee738f 100644
--- a/dlls/oleaut32/olepicture.c
+++ b/dlls/oleaut32/olepicture.c
@@ -52,6 +52,7 @@
 #define UINT8 JPEG_UINT8
 #define UINT16 JPEG_UINT16
 #define boolean jpeg_boolean
+#undef HAVE_STDLIB_H
 # include <jpeglib.h>
 #undef UINT8
 #undef UINT16