diff --git a/Makefile.in b/Makefile.in
index 229b0d47c..926d72571 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -23,7 +23,7 @@ gdb:
 	$(MAKE) run DBG=gdb
 
 valgrind:
-	$(MAKE) run DBG="DISABLE_RTKIT=1 VALGRIND=1 valgrind"
+	$(MAKE) run DBG="DISABLE_RTKIT=1 VALGRIND=1 valgrind --trace-children=yes"
 
 test: all
 	ninja -C @BUILD_ROOT@ test