diff --git a/gcm.h b/gcm.h
index 3f5ae96708de20557adb2d01adb85e7a67e431e4..89dc112807e795b293557489b4cd4073fc410a2f 100644
--- a/gcm.h
+++ b/gcm.h
@@ -58,7 +58,7 @@ struct gcm_ctx {
   /* Hashing subkey */
   uint8_t h[GCM_BLOCK_SIZE];
 #if GCM_TABLE_BITS
-  uint8_t h[1 << GCM_TABLE_BITS][GCM_BLOCK_SIZE];
+  uint8_t h_table[1 << GCM_TABLE_BITS][GCM_BLOCK_SIZE];
 #endif
   /* Per-message state, depending on the iv */
   /* Original counter block */