diff --git a/tests/Makefile.am b/tests/Makefile.am
index b4cb9012e..1d4f33791 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -68,7 +68,7 @@ curl:
 if CROSSCOMPILING
 TEST = @echo "NOTICE: we can't run the tests when cross-compiling!"
 else # if not cross-compiling:
-TEST = srcdir=$(srcdir) $(PERL) $(PERLFLAGS) $(srcdir)/runtests.pl
+TEST = srcdir=$(srcdir) $(PERL) $(PERLFLAGS) $(srcdir)/runtests.pl -n
 TEST_Q = -a -s
 TEST_AM = -a -am
 TEST_F = -a -p -r