diff --git a/regression/regression/main.nut b/regression/regression/main.nut
index ffb0856dd6c2..80008ebedf9d 100644
--- a/regression/regression/main.nut
+++ b/regression/regression/main.nut
@@ -1702,9 +1702,9 @@ function Regression::Vehicle()
 	print("  GetWagonAge():        " + AIVehicle.GetWagonAge(17, 0));
 	print("  GetWagonEngineType(): " + AIVehicle.GetWagonEngineType(17, 1));
 	print("  GetWagonAge():        " + AIVehicle.GetWagonAge(17, 1));
-	print("  GetWagonEngineType(): " + AIVehicle.GetWagonEngineType(17 2));
+	print("  GetWagonEngineType(): " + AIVehicle.GetWagonEngineType(17, 2));
 	print("  GetWagonAge():        " + AIVehicle.GetWagonAge(17, 2));
-	print("  GetWagonEngineType(): " + AIVehicle.GetWagonEngineType(17 3));
+	print("  GetWagonEngineType(): " + AIVehicle.GetWagonEngineType(17, 3));
 	print("  GetWagonAge():        " + AIVehicle.GetWagonAge(17, 3));
 
 	print("  --Refit--");
diff --git a/src/3rdparty/squirrel/squirrel/sqcompiler.cpp b/src/3rdparty/squirrel/squirrel/sqcompiler.cpp
index 3af111a28a80..ed8b658eb9cd 100644
--- a/src/3rdparty/squirrel/squirrel/sqcompiler.cpp
+++ b/src/3rdparty/squirrel/squirrel/sqcompiler.cpp
@@ -784,6 +784,7 @@ class SQCompiler
 				 Lex();
 				 if(_token == ')') Error("expression expected, found ')'");
 			 }
+			 else if(_token != ')') Error("')' or ',' expected, found expression");
 		 }
 		 Lex();
 		 for(SQInteger i = 0; i < (nargs - 1); i++) _fs->PopTarget();