diff --git a/src/core/Macros.h b/src/core/Macros.h
index 208c56f676515a7522637a3f91613ca4452a7795..743ad91c37982e200dfdf948afb7100e4526e3d6 100644
--- a/src/core/Macros.h
+++ b/src/core/Macros.h
@@ -39,6 +39,12 @@
 #define WALBERLA_PRAGMA(x) _Pragma(#x)
 #endif
 
+#ifndef WALBERLA_CXX_COMPILER_IS_IBM
+#define WALBERLA_OVERRIDE
+#else
+#define WALBERLA_OVERRIDE override
+#endif
+
 // macro overloading (-> https://stackoverflow.com/a/24028231)
 
 #define WALBERLA_GLUE(x, y) x y