diff --git a/transformer_engine/pytorch/attention/dot_product_attention/utils.py b/transformer_engine/pytorch/attention/dot_product_attention/utils.py
index 33d612b4f4..b0d4def95a 100644
--- a/transformer_engine/pytorch/attention/dot_product_attention/utils.py
+++ b/transformer_engine/pytorch/attention/dot_product_attention/utils.py
@@ -983,6 +983,17 @@ def _is_fa3_supported(num_heads, num_gqa_groups, head_dim_qk, head_dim_v, qkv_dt
             )
             use_flash_attention_3 = False
 
+        if use_flash_attention_3 and is_training and head_dim_qk != head_dim_v:
+            logger.debug(
+                "Disabling FlashAttention 3 for training with head_dim_qk != head_dim_v, "
+                "as its backward pass does not support it "
+                "(Dao-AILab/flash-attention#1487). "
+                "Found: head_dim_qk = %s, head_dim_v = %s.",
+                head_dim_qk,
+                head_dim_v,
+            )
+            use_flash_attention_3 = False
+
     if (
         use_flash_attention_4
         and FlashAttentionUtils.v4_is_installed