diff --git a/src/HRingBuffer.c b/src/HRingBuffer.c
index 32c1302..6f5ad96 100644
--- a/src/HRingBuffer.c
+++ b/src/HRingBuffer.c
@@ -120,7 +120,7 @@ HRingBufferLenType HRingbufferInit8(void *buffer, HRingBufferLenType size)
         return 0;
     }
 
-    uint8_t init[] = _HRING_BUFFER_INIT8(len);
+    const uint8_t init[] = _HRING_BUFFER_INIT8(len);
     memcpy(buffer, init, sizeof(init));
     return HRingBufferGetLen((HRingBufferType *)buffer);
 }