diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index a79a73bb3969..ba0732fd4ed4 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -487,7 +487,7 @@ static int safexcel_ahash_exit_inv(struct crypto_tfm *tfm)
 	struct safexcel_inv_result result = {};
 	int ring = ctx->base.ring;
 
-	memset(req, 0, sizeof(struct ahash_request));
+	memset(req, 0, EIP197_AHASH_REQ_SIZE);
 
 	/* create invalidation request */
 	init_completion(&result.completion);