diff --git a/debian/rules b/debian/rules
index 627c841e..b4493655 100755
--- a/debian/rules
+++ b/debian/rules
@@ -740,6 +740,8 @@ endif
 		lcov --directory $(TARGET_BUILD)/ --capture --ignore-errors source --output-file $$REPORT; \
 		lcov --remove $$REPORT "/usr*" -o $$REPORT; \
 		genhtml -o reports/coverage --show-details --highlight --legend $$REPORT; \
+		chmod 0755 $(find reports/coverage -type d); \
+		chmod 0644 $(find reports/coverage -type f); \
 	fi
 override_dh_auto_test:
 endif