diff --git a/src/testdir/test_cscope.vim b/src/testdir/test_cscope.vim
index c01ca32..ba19419 100644
--- a/src/testdir/test_cscope.vim
+++ b/src/testdir/test_cscope.vim
@@ -246,7 +246,7 @@
     " Test: 'csprg' option
     call assert_equal('cscope', &csprg)
     set csprg=doesnotexist
-    call assert_fails('cscope add Xcscope2.out', 'E609:')
+    call assert_fails('cscope add Xcscope2.out', 'E262:')
     set csprg=cscope
 
     " Test: multiple cscope connections