diff --git a/misc/python3/ratchet.sh b/misc/python3/ratchet.sh
index c92b22c5d..6c428cdf9 100755
--- a/misc/python3/ratchet.sh
+++ b/misc/python3/ratchet.sh
@@ -41,7 +41,7 @@ export GIT_TRACE_PACK_ACCESS=1
 export GIT_TRACE_PACKET=1
 export GIT_TRACE_PERFORMANCE=1
 export GIT_TRACE_SETUP=1
-strace git diff -- "${tracking_filename}"
+strace -f git diff -- "${tracking_filename}"
 echo "================================="
 
 echo "Exiting with code ${code} from ratchet.py."