diff --git a/app/src/main/res/color/background_warning.xml b/app/src/main/res/color/background_warning.xml
index 836888b22e..d609ab583b 100644
--- a/app/src/main/res/color/background_warning.xml
+++ b/app/src/main/res/color/background_warning.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:alpha="0.1" android:color="?attr/colorWarning" />
+    <item android:alpha="0.15" android:color="?attr/colorWarning" />
 </selector>