diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index e7f2c7b8eb..b748ecda61 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -1219,7 +1219,7 @@ static int vtenc_create_encoder(AVCodecContext   *avctx,
     }
 
 #if defined (MAC_OS_X_VERSION_10_13) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_13)
-    if (__builtin_available(macOS 10.13, *)) {
+    if (__builtin_available(macOS 10.13, iOS 11.0, *)) {
         if (vtctx->supported_props) {
             CFRelease(vtctx->supported_props);
             vtctx->supported_props = NULL;