diff --git a/solution/tc_project_app/GVLs/GVL_APP.TcGVL b/solution/tc_project_app/GVLs/GVL_APP.TcGVL
index 4f52f09..f312e4a 100644
--- a/solution/tc_project_app/GVLs/GVL_APP.TcGVL
+++ b/solution/tc_project_app/GVLs/GVL_APP.TcGVL
@@ -8,7 +8,8 @@ END_VAR
 
 VAR_GLOBAL CONSTANT
     nAXIS_NUM : UINT:=0;
-	nPNEUMATIC_AXIS_NUM : UINT:=0;
-END_VAR]]></Declaration>
+    nPNEUMATIC_AXIS_NUM : UINT:=0;
+END_VAR
+]]></Declaration>
   </GVL>
 </TcPlcObject>
\ No newline at end of file