diff --git a/pkgs/by-name/ru/rustdesk-flutter/package.nix b/pkgs/by-name/ru/rustdesk-flutter/package.nix
index c4e42b91fafb..df6437fe863f 100644
--- a/pkgs/by-name/ru/rustdesk-flutter/package.nix
+++ b/pkgs/by-name/ru/rustdesk-flutter/package.nix
@@ -166,6 +166,8 @@ flutter329.buildFlutterApplication rec {
         --replace-fail "libayatana-appindicator3.so.1" "${lib.getLib libayatana-appindicator}/lib/libayatana-appindicator3.so.1"
       # Disable static linking of ffmpeg since https://github.com/21pages/hwcodec/commit/1873c34e3da070a462540f61c0b782b7ab15dc84
       sed -i 's/static=//g' $cargoDepsCopy/hwcodec-*/build.rs
+      sed -e '1i #include <cstdint>' -i $cargoDepsCopy/webm-1.1.0/src/sys/libwebm/mkvparser/mkvparser.cc
+      sed -e '1i #include <cstdint>' -i $cargoDepsCopy/webm-sys-1.0.4/libwebm/mkvparser/mkvparser.cc
     fi
 
     substituteInPlace ../Cargo.toml --replace-fail ", \"staticlib\", \"rlib\"" ""