diff --git a/include/sqrat/sqratFunction.h b/include/sqrat/sqratFunction.h
index 71ff3df9..cd16ac73 100644
--- a/include/sqrat/sqratFunction.h
+++ b/include/sqrat/sqratFunction.h
@@ -177,8 +177,8 @@ struct Function  {
         sq_pushobject(vm, mEnv);
         // Validate the funtion parameter count
 #if !defined (SCRAT_NO_ERROR_CHECKING)
-        SQUnsignedInteger nparams;
-        SQUnsignedInteger nfreevars;
+        SQInteger nparams;
+        SQInteger nfreevars;
         if (SQ_SUCCEEDED(sq_getclosureinfo(vm, -2, &nparams, &nfreevars)) && (nparams != ARGC)) {
             sq_pop(vm, 2);
             SQTHROW(vm, _SC("wrong number of parameters"));
@@ -216,8 +216,8 @@ struct Function  {
         sq_pushobject(vm, mEnv);
         // Validate the funtion parameter count
 #if !defined (SCRAT_NO_ERROR_CHECKING)
-        SQUnsignedInteger nparams;
-        SQUnsignedInteger nfreevars;
+        SQInteger nparams;
+        SQInteger nfreevars;
         if (SQ_SUCCEEDED(sq_getclosureinfo(vm, -2, &nparams, &nfreevars)) && (nparams != ARGC)) {
             sq_pop(vm, 2);
             SQTHROW(vm, _SC("wrong number of parameters"));
diff --git a/shared/SqAPI.h b/shared/SqAPI.h
index 6521289b..08c2b06a 100644
--- a/shared/SqAPI.h
+++ b/shared/SqAPI.h
@@ -112,7 +112,7 @@ extern "C" {
     typedef SQRELEASEHOOK (*SqLibAPI_getreleasehook)(HSQUIRRELVM v,SQInteger idx);
     typedef SQChar* (*SqLibAPI_getscratchpad)(HSQUIRRELVM v,SQInteger minsize);
     typedef SQRESULT (*SqLibAPI_getfunctioninfo)(HSQUIRRELVM v,SQInteger level,SQFunctionInfo *fi);
-    typedef SQRESULT (*SqLibAPI_getclosureinfo)(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger *nparams,SQUnsignedInteger *nfreevars);
+    typedef SQRESULT (*SqLibAPI_getclosureinfo)(HSQUIRRELVM v,SQInteger idx,SQInteger *nparams,SQInteger *nfreevars);
     typedef SQRESULT (*SqLibAPI_getclosurename)(HSQUIRRELVM v,SQInteger idx);
     typedef SQRESULT (*SqLibAPI_setnativeclosurename)(HSQUIRRELVM v,SQInteger idx,const SQChar *name);
     typedef SQRESULT (*SqLibAPI_setinstanceup)(HSQUIRRELVM v, SQInteger idx, SQUserPointer p);