diff --git a/res/app/components/stf/screen/screen-directive.js b/res/app/components/stf/screen/screen-directive.js
index c0ee0669..b19d05ad 100644
--- a/res/app/components/stf/screen/screen-directive.js
+++ b/res/app/components/stf/screen/screen-directive.js
@@ -112,7 +112,7 @@ module.exports = function DeviceScreenDirective(
               break
             }
             updating = true
-            ws.send('{"op":"jpeg","w":' + size.w + ',"h":' + size.h + '}')
+            ws.send('j ' + size.w + ' ' + size.h)
           }
         }
 
diff --git a/vendor/minicap/bin/arm64-v8a/minicap b/vendor/minicap/bin/arm64-v8a/minicap
index 98fda91d..1998ac4e 100755
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diff --git a/vendor/minicap/bin/arm64-v8a/minicap-nopie b/vendor/minicap/bin/arm64-v8a/minicap-nopie
index 98fda91d..1998ac4e 100755
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diff --git a/vendor/minicap/bin/armeabi-v7a/minicap b/vendor/minicap/bin/armeabi-v7a/minicap
index 817749de..e0c6e284 100755
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diff --git a/vendor/minicap/bin/armeabi-v7a/minicap-nopie b/vendor/minicap/bin/armeabi-v7a/minicap-nopie
index 5b470f58..e5fc95bf 100755
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diff --git a/vendor/minicap/bin/x86/minicap b/vendor/minicap/bin/x86/minicap
index 0564c4c8..6b2a07c0 100755
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diff --git a/vendor/minicap/bin/x86/minicap-nopie b/vendor/minicap/bin/x86/minicap-nopie
index 9aebc861..6a7baaf7 100755
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