diff --git a/armorforge/kincflags.js b/armorforge/kincflags.js
index 72b3b078..728270e1 100644
--- a/armorforge/kincflags.js
+++ b/armorforge/kincflags.js
@@ -7,6 +7,7 @@ flags.with_nfd = true;
 flags.with_tinydir = true;
 flags.with_zlib = true;
 flags.with_stb_image_write = true;
+flags.with_mpeg_write = true;
 flags.with_g2 = true;
 flags.with_iron = true;
 flags.with_zui = true;