diff --git a/esphome/core/hash_base.h b/esphome/core/hash_base.h
index f48093b63e..606cd3080c 100644
--- a/esphome/core/hash_base.h
+++ b/esphome/core/hash_base.h
@@ -47,10 +47,12 @@ class HashBase {
 // ESP32 variants with DMA-based hardware SHA (all except original ESP32) require 32-byte aligned buffers.
 // Original ESP32 uses a different hardware SHA implementation without DMA alignment requirements.
 // Other platforms (ESP8266, RP2040, LibreTiny) use software SHA and don't need alignment.
+// Storage sized for max(MD5=16, SHA256=32) bytes
 #if defined(USE_ESP32) && !defined(USE_ESP32_VARIANT_ESP32)
-  alignas(32)
+  alignas(32) uint8_t digest_[32];
+#else
+  uint8_t digest_[32];
 #endif
-      uint8_t digest_[32];  // Storage sized for max(MD5=16, SHA256=32) bytes
 };
 
 }  // namespace esphome