diff --git a/src/game/variables.h b/src/game/variables.h
index 63d163e42..f4db94b02 100644
--- a/src/game/variables.h
+++ b/src/game/variables.h
@@ -4,6 +4,13 @@
 #define GAME_VARIABLES_H
 #undef GAME_VARIABLES_H // this file will be included several times
 
+#ifndef MACRO_CONFIG_INT
+#error "The config macros must be defined"
+#define MACRO_CONFIG_INT(Name, ScriptName, Def, Min, Max, Save, Desc) ;
+#define MACRO_CONFIG_COL(Name, ScriptName, Def, Save, Desc) ;
+#define MACRO_CONFIG_STR(Name, ScriptName, Len, Def, Save, Desc) ;
+#endif
+
 // client
 MACRO_CONFIG_INT(ClPredict, cl_predict, 1, 0, 1, CFGFLAG_CLIENT | CFGFLAG_SAVE, "Predict client movements")
 MACRO_CONFIG_INT(ClPredictDummy, cl_predict_dummy, 1, 0, 1, CFGFLAG_CLIENT | CFGFLAG_SAVE, "Predict dummy movements")