diff --git a/wolfcrypt/src/port/st/stm32.c b/wolfcrypt/src/port/st/stm32.c
index ad64ec2cb..411ee4a3f 100644
--- a/wolfcrypt/src/port/st/stm32.c
+++ b/wolfcrypt/src/port/st/stm32.c
@@ -318,7 +318,7 @@ int wc_Stm32_Hash_Update(STM32_HASH_Context* stmCtx, word32 algo,
         }
     #endif
 
-        if (len >= 0 && stmCtx->buffLen == chunkSz) {
+        if (stmCtx->buffLen == chunkSz) {
             wc_Stm32_Hash_Data(stmCtx, stmCtx->buffLen);
             wroteToFifo = 1;
         #ifdef STM32_HASH_FIFO_WORKAROUND