diff --git a/debian/patches/series b/debian/patches/series
index 9c7e16b9b..22c668cc5 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -27,7 +27,7 @@ sipwise/sca-debug.patch
 sipwise/sca-fix-notify-after-bye.patch
 sipwise/sca-add-pai_avp-parameter.patch
 ## upstream master
-upstream/tm_drop_stuck_transaction
+upstream/tm_drop_stuck_transaction.patch
 #
 ### relevant for upstream
 sipwise/dialplan-don-t-stop-loading-rules-on-error.patch
diff --git a/debian/patches/upstream/tm_drop_stuck_transaction b/debian/patches/upstream/tm_drop_stuck_transaction.patch
similarity index 100%
rename from debian/patches/upstream/tm_drop_stuck_transaction
rename to debian/patches/upstream/tm_drop_stuck_transaction.patch