diff --git a/tests/testglib.c b/tests/testglib.c
index 926010e5d..071afdc1d 100644
--- a/tests/testglib.c
+++ b/tests/testglib.c
@@ -299,11 +299,11 @@ gnode_test (void)
   for (i = 0; i < g_node_n_children (node_B); i++)
     {
       node = g_node_nth_child (node_B, i);
-      g_assert (P2C (node->data) == ('C' + i));
+      g_assert (P2C (node->data) == (gchar) ('C' + i));
     }
   
   for (i = 0; i < g_node_n_children (node_G); i++)
-    g_assert (g_node_child_position (node_G, g_node_nth_child (node_G, i)) == i);
+    g_assert (g_node_child_position (node_G, g_node_nth_child (node_G, i)) == (gint) i);
 
   /* we have built:                    A
    *                                 /   \
@@ -1313,7 +1313,7 @@ test_arrays (void)
   for (i = 0; i < 10000; i++)
     g_array_append_val (garray, i);
   for (i = 0; i < 10000; i++)
-    if (g_array_index (garray, gint, i) != i)
+    if (g_array_index (garray, gint, i) != (gint) i)
       g_error ("failure: %d ( %d )", g_array_index (garray, gint, i), i);
   g_array_free (garray, TRUE);
 
@@ -1321,7 +1321,7 @@ test_arrays (void)
   for (i = 0; i < 100; i++)
     g_array_prepend_val (garray, i);
   for (i = 0; i < 100; i++)
-    if (g_array_index (garray, gint, i) != (100 - i - 1))
+    if (g_array_index (garray, gint, i) != (gint) (100 - i - 1))
       g_error ("failure: %d ( %d )", g_array_index (garray, gint, i), 100 - i - 1);
   g_array_free (garray, TRUE);
 }