diff --git a/Makefile.am b/Makefile.am
index 015403d6848a04812173ac0630b19c1ad01ddbcb..960555d2539028172365afa9a04f37006a3a17c8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -28,7 +28,8 @@ endif
 TESTSUITE_BIN = $(top_builddir)/src/testsuite/testsuite $(TESTSUITE_OPTIONS)
 
 if TESTSUITE_VALGRIND
-TEST_BIN = libtool --mode=execute valgrind -q --error-exitcode=1 --show-reachable=yes --leak-check=full $(TESTSUITE_BIN)
+TEST_BIN = libtool --mode=execute valgrind -q --error-exitcode=1 \
+	--show-reachable=yes --leak-check=full --trace-children=yes $(TESTSUITE_BIN)
 else
 TEST_BIN = $(TESTSUITE_BIN)
 endif