diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 20ac3c74b51d..ad78bddfb637 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4099,6 +4099,15 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 	size = size >> bsbits;
 	start = start_off >> bsbits;
 
+	/*
+	 * For tiny groups (smaller than 8MB) the chosen allocation
+	 * alignment may be larger than group size. Make sure the
+	 * alignment does not move allocation to a different group which
+	 * makes mballoc fail assertions later.
+	 */
+	start = max(start, rounddown(ac->ac_o_ex.fe_logical,
+			(ext4_lblk_t)EXT4_BLOCKS_PER_GROUP(ac->ac_sb)));
+
 	/* don't cover already allocated blocks in selected range */
 	if (ar->pleft && start <= ar->lleft) {
 		size -= ar->lleft + 1 - start;