diff --git a/platform-independent/c/core/src/mpw-marshal-util.c b/platform-independent/c/core/src/mpw-marshal-util.c
index 17cba9f1..a8c6c12d 100644
--- a/platform-independent/c/core/src/mpw-marshal-util.c
+++ b/platform-independent/c/core/src/mpw-marshal-util.c
@@ -95,7 +95,7 @@ bool mpw_get_json_boolean(
     if (!json_value)
         return defaultValue;
 
-    return json_object_get_boolean( json_value ) == TRUE;
+    return json_object_get_boolean( json_value ) == true;
 }
 #endif