diff --git a/Dockerfile b/Dockerfile
index c60845ac..f684d2c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,7 +51,7 @@ RUN set -eux; \
     # Write a test script
     echo '#!/usr/bin/env bash\nif [[ true ]]; then\necho "Hello, kcov!"\nfi' > /tmp/test-executable.sh; \
     # Test kcov
-    kcov --include-pattern=/tmp/test-executable.sh /tmp/coverage /tmp/test-executable.sh; \
+    kcov /tmp/coverage /tmp/test-executable.sh; \
     # Display
     cat /tmp/coverage/test-executable.sh/coverage.json; \
     # Make assertions