diff --git a/pkg/core/transaction/witness_scope_test.go b/pkg/core/transaction/witness_scope_test.go
index 1b89ee46d..42a672e68 100644
--- a/pkg/core/transaction/witness_scope_test.go
+++ b/pkg/core/transaction/witness_scope_test.go
@@ -7,13 +7,13 @@ import (
 )
 
 func TestScopesFromString(t *testing.T) {
-	s, err := ScopesFromString("")
+	_, err := ScopesFromString("")
 	require.Error(t, err)
 
 	_, err = ScopesFromString("123")
 	require.Error(t, err)
 
-	s, err = ScopesFromString("Global")
+	s, err := ScopesFromString("Global")
 	require.NoError(t, err)
 	require.Equal(t, Global, s)