--- a/qtbase/src/3rdparty/libjpeg/src/jchuff.c
+++ b/qtbase/src/3rdparty/libjpeg/src/jchuff.c
@@ -188,6 +188,8 @@
 
 #ifdef WITH_SIMD
   entropy->simd = jsimd_can_huff_encode_one_block();
+#else
+  entropy->simd = 0;
 #endif
 
   for (ci = 0; ci < cinfo->comps_in_scan; ci++) {