diff --git a/src/modules/system/System.cpp b/src/modules/system/System.cpp
index 981dcff41..e1de16d5d 100644
--- a/src/modules/system/System.cpp
+++ b/src/modules/system/System.cpp
@@ -164,7 +164,7 @@ bool System::openURL(const std::string &url) const
 
 #endif
 
-	return (int) result > 32;
+	return (ptrdiff_t) result > 32;
 
 #endif
 }