diff --git a/compiler/base/hierarchy_layout.py b/compiler/base/hierarchy_layout.py
index 98b1fbac..532b0f7d 100644
--- a/compiler/base/hierarchy_layout.py
+++ b/compiler/base/hierarchy_layout.py
@@ -498,7 +498,7 @@ class layout():
                        offset=offset + vector(0.5 * width,
                                               0.5 * height))
 
-    def add_label(self, text, layer, offset=[0, 0], zoom=-1):
+    def add_label(self, text, layer, offset=[0, 0], zoom=None):
         """Adds a text label on the given layer,offset, and zoom level"""
         debug.info(5, "add label " + str(text) + " " + layer + " " + str(offset))
         lpp = techlayer[layer]
diff --git a/compiler/tests/skip_tests_sky130.txt b/compiler/tests/skip_tests_sky130.txt
index 827c2cc7..b0cba8aa 100644
--- a/compiler/tests/skip_tests_sky130.txt
+++ b/compiler/tests/skip_tests_sky130.txt
@@ -3,7 +3,6 @@
 04_precharge_pbitcell_test.py
 04_replica_pbitcell_test.py
 04_column_mux_pbitcell_test.py
-05_bitcell_1rw_1r_array_test.py
 05_bitcell_array_test.py
 05_dummy_array_test.py
 05_pbitcell_array_test.py