diff --git a/source/util.c b/source/util.c
index 6c9077b..f6397a9 100644
--- a/source/util.c
+++ b/source/util.c
@@ -8,7 +8,7 @@
 #ifdef MS_WINDOWS
 #include <windows.h>
 #include <imagehlp.h>
-#include <Shlwapi.h>
+#include <shlwapi.h>
 
 #pragma pack(2)