diff --git a/src/menu/menu.cpp b/src/menu/menu.cpp
index e4920ef55..71c0ff645 100644
--- a/src/menu/menu.cpp
+++ b/src/menu/menu.cpp
@@ -496,7 +496,7 @@ DEFINE_ACTION_FUNCTION(DMenu, SetMenu)
 {
 	PARAM_PROLOGUE;
 	PARAM_NAME(menu);
-	PARAM_INT(mparam);
+	PARAM_INT_DEF(mparam);
 	M_SetMenu(menu, mparam);
 	return 0;
 }
diff --git a/src/menu/messagebox.cpp b/src/menu/messagebox.cpp
index b3b0e1fe7..a1a0fda76 100644
--- a/src/menu/messagebox.cpp
+++ b/src/menu/messagebox.cpp
@@ -267,7 +267,7 @@ DEFINE_ACTION_FUNCTION(DMenu, StartMessage)
 {
 	PARAM_PROLOGUE;
 	PARAM_STRING(msg);
-	PARAM_INT(mode);
+	PARAM_INT_DEF(mode);
 	PARAM_NAME_DEF(action);
 	M_StartMessage(msg, mode, action);
 	return 0;