diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index adf3b2b7a8..e97cbaf987 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -3364,7 +3364,7 @@ psa_status_t psa_aead_generate_nonce( psa_aead_operation_t *operation,
                                       size_t *nonce_length )
 {
     psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
-    size_t required_nonce_size = nonce_size;
+    size_t required_nonce_size;
 
      *nonce_length = 0;