diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 10f805f06a..ddd74f9aea 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -283,8 +283,9 @@ noinst_HEADERS = elements/mxfdemux.h
 TESTS = $(check_PROGRAMS)
 
 AM_CFLAGS = $(GST_CFLAGS) $(GST_CHECK_CFLAGS) $(GST_OPTION_CFLAGS) \
-		-DGST_TEST_FILES_PATH="\"$(TEST_FILES_DIRECTORY)\"" \
-		-UG_DISABLE_ASSERT -UG_DISABLE_CAST_CHECKS
+	-DGST_CHECK_TEST_ENVIRONMENT_BEACON="\"GST_PLUGIN_LOADING_WHITELIST\"" \
+	-DGST_TEST_FILES_PATH="\"$(TEST_FILES_DIRECTORY)\"" \
+	-UG_DISABLE_ASSERT -UG_DISABLE_CAST_CHECKS
 LDADD = $(GST_CHECK_LIBS)
 
 elements_audiomixer_LDADD = $(GST_BASE_LIBS) -lgstbase-@GST_API_VERSION@ $(LDADD)