diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 599c6713f2a2aaa8157a230f559ab4a006bbcd67..aa1f2669bdd5d83663994ef04ca0d26b634e8e5f 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -186,13 +186,13 @@ static const unsigned long exp[] __initconst = {
 	BITMAP_FROM_U64(0x22222222),
 	BITMAP_FROM_U64(0xffffffff),
 	BITMAP_FROM_U64(0xfffffffe),
-	BITMAP_FROM_U64(0x3333333311111111),
-	BITMAP_FROM_U64(0xffffffff77777777)
+	BITMAP_FROM_U64(0x3333333311111111ULL),
+	BITMAP_FROM_U64(0xffffffff77777777ULL)
 };
 
 static const unsigned long exp2[] __initconst = {
-	BITMAP_FROM_U64(0x3333333311111111),
-	BITMAP_FROM_U64(0xffffffff77777777)
+	BITMAP_FROM_U64(0x3333333311111111ULL),
+	BITMAP_FROM_U64(0xffffffff77777777ULL)
 };
 
 static const struct test_bitmap_parselist parselist_tests[] __initconst = {