diff --git a/dace/codegen/targets/framecode.py b/dace/codegen/targets/framecode.py
index 1845f3b692..cd3e9222a3 100644
--- a/dace/codegen/targets/framecode.py
+++ b/dace/codegen/targets/framecode.py
@@ -896,7 +896,7 @@ def generate_code(self,
         # Allocate outer-level transients
         self.allocate_arrays_in_scope(sdfg, sdfg, sdfg, global_stream, callsite_stream)
 
-        global_args = sdfg.arglist()
+        outside_symbols = sdfg.free_symbols
 
         # Define constants as top-level-allocated
         for cname, (ctype, _) in sdfg.constants_prop.items():
@@ -956,7 +956,7 @@ def generate_code(self,
                 self.dispatcher.defined_vars.add(isvarName, disp.DefinedType.Scalar, isvarType.ctype)
             else:
                 # If the variable is passed as an input argument to the SDFG, do not need to declare it
-                if isvarName not in global_args:
+                if isvarName not in outside_symbols:
                     callsite_stream.write('%s;\n' % (isvar.as_arg(with_types=True, name=isvarName)), sdfg)
                     self.dispatcher.defined_vars.add(isvarName, disp.DefinedType.Scalar, isvarType.ctype)
         callsite_stream.write('\n', sdfg)