diff --git a/glib/tests/regex.c b/glib/tests/regex.c
index ee9cd21ca..1ea6f9288 100644
--- a/glib/tests/regex.c
+++ b/glib/tests/regex.c
@@ -712,6 +712,7 @@ test_fetch_all (gconstpointer d)
   l_exp = data->expected;
   for (i = 0; l_exp != NULL; i++, l_exp = g_slist_next (l_exp))
     {
+      g_assert_nonnull (matches);
       g_assert_cmpstr (l_exp->data, ==, matches[i]);
     }
 
@@ -800,6 +801,7 @@ test_split_simple (gconstpointer d)
   l_exp = data->expected;
   for (i = 0; l_exp != NULL; i++, l_exp = g_slist_next (l_exp))
     {
+      g_assert_nonnull (tokens);
       g_assert_cmpstr (l_exp->data, ==, tokens[i]);
     }
 
@@ -883,6 +885,7 @@ test_split_full (gconstpointer d)
   l_exp = data->expected;
   for (i = 0; l_exp != NULL; i++, l_exp = g_slist_next (l_exp))
     {
+      g_assert_nonnull (tokens);
       g_assert_cmpstr (l_exp->data, ==, tokens[i]);
     }
 
@@ -915,6 +918,7 @@ test_split (gconstpointer d)
   l_exp = data->expected;
   for (i = 0; l_exp != NULL; i++, l_exp = g_slist_next (l_exp))
     {
+      g_assert_nonnull (tokens);
       g_assert_cmpstr (l_exp->data, ==, tokens[i]);
     }