diff --git a/spice/test/spice_write.ok b/spice/test/spice_write.ok
index 29fd8697..1b2d81a5 100644
--- a/spice/test/spice_write.ok
+++ b/spice/test/spice_write.ok
@@ -24,6 +24,4 @@ Path Type: max
            9.92   slack (MET)
 
 
-Differences found at line 2.
-.include "/workspace/sta/OpenSTA/spice/test/results/spice_out/mock_model.sp"
-.include "/workspace/sta2/OpenSTA/spice/test/results/spice_out/mock_model.sp"
+No differences found.
diff --git a/spice/test/spice_write.tcl b/spice/test/spice_write.tcl
index fe82163c..e9712268 100644
--- a/spice/test/spice_write.tcl
+++ b/spice/test/spice_write.tcl
@@ -47,4 +47,4 @@ write_path_spice \
   -model_file $model_file \
   -power VDD \
   -ground VSS
-diff_files $test_name.spok [file join $spice_dir path_1.sp]
+diff_files $test_name.spok [file join $spice_dir path_1.sp] "mock_model.sp"