diff --git a/gds_to_lef_gds_mag.py b/gds_to_lef_gds_mag.py
index b9920cf..162b220 100755
--- a/gds_to_lef_gds_mag.py
+++ b/gds_to_lef_gds_mag.py
@@ -809,7 +809,7 @@
     out_spice_file = os.path.join(temp_dir, new_cellname+'.spice')
     assert not os.path.exists(out_spice_file), ("Existing spice:", out_spice_file)
 
-    if "sram_sp_cell_opt1a" in gds_file:
+    if "sram_sp_cell_opt1" in gds_file:
         print("Skipping magic generation on", gds_file)
         return
     magic_generate_output(techfile, gds_file, in_lef_file, in_cdl_file, new_cellname)