diff --git a/tests/common.sh.in b/tests/common.sh.in
index 83533fd99..3d2d13af2 100644
--- a/tests/common.sh.in
+++ b/tests/common.sh.in
@@ -66,7 +66,7 @@ clearProfiles() {
 
 clearStore() {
     echo "clearing store..."
-    chmod -R +w "$NIX_STORE_DIR"
+    chmod -R +w "$NIX_STORE_DIR" || true
     rm -rf "$NIX_STORE_DIR"
     mkdir "$NIX_STORE_DIR"
     rm -rf "$NIX_STATE_DIR"