diff --git a/android_app/app/src/main/res/layout/fragment_graph.xml b/android_app/app/src/main/res/layout/fragment_graph.xml
index a27f9fdf..36e8bcd0 100644
--- a/android_app/app/src/main/res/layout/fragment_graph.xml
+++ b/android_app/app/src/main/res/layout/fragment_graph.xml
@@ -131,7 +131,7 @@
         android:scaleType="centerInside"
         app:srcCompat="@drawable/ic_editable"
         android:layout_above="@id/deleteMenu"
-        android:backgroundTint="#99CC00"
+        app:backgroundTint="#99CC00"
         android:clickable="true"
         android:visibility="gone"
         app:layout_anchor="@id/chartView"
@@ -147,7 +147,7 @@
         android:clickable="true"
         android:visibility="gone"
         app:srcCompat="@drawable/ic_delete"
-        android:backgroundTint="#FF4444"
+        app:backgroundTint="#FF4444"
         app:layout_anchor="@id/editMenu"
         app:layout_anchorGravity="bottom"
         android:layout_gravity="bottom|end"