diff --git a/run_tests.sh b/run_tests.sh
index 39176d78bff5..8a7bce63b5db 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -81,7 +81,7 @@ function run_tests {
   if [ $coverage -eq 1 ]; then
     # Do not test test_coverage_ext when gathering coverage.
     if [ "x$testrargs" = "x" ]; then
-      testrargs="^(?!.*test_coverage_ext).*$"
+      testrargs="^(?!.*test.*coverage).*$"
     fi
     export PYTHON="${wrapper} coverage run --source nova --parallel-mode"
   fi
diff --git a/tox.ini b/tox.ini
index 58468accb821..e98f301515b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,7 +38,7 @@ commands = python tools/flakes.py nova
 # tests conflict with coverage.
 commands =
   python setup.py testr --coverage \
-    --testr-args='^(?!.*test_coverage_ext).*$'
+    --testr-args='^(?!.*test.*coverage).*$'
 
 [testenv:venv]
 commands = {posargs}