diff --git a/crypto/fipsmodule/cipher/e_aes.c b/crypto/fipsmodule/cipher/e_aes.c
index 6d91cc4..edab46d 100644
--- a/crypto/fipsmodule/cipher/e_aes.c
+++ b/crypto/fipsmodule/cipher/e_aes.c
@@ -485,9 +485,7 @@
       if (arg < 4 || (gctx->ivlen - arg) < 8) {
         return 0;
       }
-      if (arg) {
-        OPENSSL_memcpy(gctx->iv, ptr, arg);
-      }
+      OPENSSL_memcpy(gctx->iv, ptr, arg);
       if (c->encrypt) {
         // |RAND_bytes| calls within the fipsmodule should be wrapped with state
         // lock functions to avoid updating the service indicator with the DRBG