diff --git a/src/qt/qt.c b/src/qt/qt.c
index a742a962f..907660a32 100644
--- a/src/qt/qt.c
+++ b/src/qt/qt.c
@@ -2,7 +2,7 @@
  * C functionality for Qt platform, where the C equivalent is not easily
  * implemented in Qt
  */
-#if !defined(_WIN32) && !defined(__clang__)
+#if !defined(_WIN32) || !defined(__clang__)
 #include <strings.h>
 #endif
 #include <stdint.h>