--- libgig/trunk/src/gig.cpp	2021/06/19 10:44:14	3957
+++ libgig/trunk/src/gig.cpp	2021/06/19 10:48:12	3958
@@ -5742,7 +5742,7 @@
      * @param slot - script slot index of the variable to be retrieved
      * @param variable - name of the 'patch' variable in that script
      */
-    bool Instrument::IsScriptPatchVariableSet(int slot, String variable) {
+    bool Instrument::IsScriptPatchVariableSet(size_t slot, String variable) {
         if (variable.empty()) return false;
         Script* script = GetScriptOfSlot(slot);
         if (!script) return false;