diff --git a/libobs/obs-windows.c b/libobs/obs-windows.c
index 9b7b022b9..5f22f508e 100644
--- a/libobs/obs-windows.c
+++ b/libobs/obs-windows.c
@@ -178,9 +178,9 @@ static void log_available_memory(void)
 	const char *note = " (NOTE: 4 gigs max is normal for 32bit programs)";
 #endif
 
-	blog(LOG_INFO, "Physical Memory: %ldMB Total, %ldMB Free%s",
-			ms.dwTotalPhys / 1048576,
-			ms.dwAvailPhys / 1048576,
+	blog(LOG_INFO, "Physical Memory: %luMB Total, %luMB Free%s",
+			(DWORD)(ms.dwTotalPhys / 1048576),
+			(DWORD)(ms.dwAvailPhys / 1048576),
 			note);
 }