--- a/src/cx/properties.h	Tue Dec 31 12:41:01 2024 +0100
+++ b/src/cx/properties.h	Wed Jan 01 13:31:38 2025 +0100
@@ -33,8 +33,8 @@
  * \copyright 2-Clause BSD License
  */
 
-#ifndef UCX_PROPERTIES
-#define UCX_PROPERTIES
+#ifndef UCX_PROPERTIES_H
+#define UCX_PROPERTIES_H
 
 #include "common.h"
 #include "string.h"
@@ -623,4 +623,4 @@
 } // extern "C"
 #endif
 
-#endif // UCX_PROPERTIES
+#endif // UCX_PROPERTIES_H