diff --git a/tests/Makefile.am b/tests/Makefile.am
index 460efb6b7b..f92710db43 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -56,6 +56,9 @@ DRIVERLIB_LDFLAGS = \
 	-avoid-version \
 	-rpath /evil/libtool/hack/to/force/shared/lib/creation \
 	$(MINGW_EXTRA_LDFLAGS)
+if WITH_MACOS
+DRIVERLIB_LDFLAGS += -Wl,-flat_namespace
+endif WITH_MACOS
 
 PROBES_O =
 if WITH_DTRACE_PROBES