diff --git a/tests/Makefile.am b/tests/Makefile.am
index 6560e9cd..50ace250 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -51,6 +51,8 @@ LEAKCHECK = G_DEBUG=gc-friendly MALLOC_CHECK_=2 G_SLICE=always-malloc CK_FORK=no
 
 LEAKCHECK_REACHABLE = $(LEAKCHECK) --show-reachable=yes
 
+LEAKCHECK_GENSUPPRESSIONS=$(LEAKCHECK) --gen-suppressions=all
+
 MASSIF = G_DEBUG=gc-friendly MALLOC_CHECK_=2 G_SLICE=always-malloc CK_FORK=no \
 		valgrind --tool=massif
 
@@ -60,6 +62,9 @@ leakcheck:
 leakcheck-reachable:
 	$(LEAKCHECK_REACHABLE) ./tests
 
+leakcheck-gensuppressions:
+	$(LEAKCHECK_GENSUPPRESSIONS) ./tests
+
 massif:
 	$(MASSIF) ./tests