diff --git a/metadata/ca.rmen.android.networkmonitor.txt b/metadata/ca.rmen.android.networkmonitor.txt
index 8d3ac3771f..2eccfa396b 100644
--- a/metadata/ca.rmen.android.networkmonitor.txt
+++ b/metadata/ca.rmen.android.networkmonitor.txt
@@ -69,6 +69,7 @@ Build:1.21.0,12100
     commit=netmon-1.21.0
     subdir=networkmonitor
     gradle=foss
+    prebuild=sed -i -e '/proprietaryCompile/d' build.gradle
 
 Auto Update Mode:Version netmon-%v
 Update Check Mode:Tags ^netmon-