diff --git a/src/main/res/layout/activity_about.xml b/src/main/res/layout/activity_about.xml
index d7d23f0f91fb9e5c4c6eb88b1058b14d1d1a7355..247e96e59ac8a9b1229fe4387f3423bdf30a2a22 100644
--- a/src/main/res/layout/activity_about.xml
+++ b/src/main/res/layout/activity_about.xml
@@ -17,5 +17,6 @@
         android:paddingBottom="@dimen/activity_vertical_margin"
         android:textColor="@color/black87"
         android:textSize="?attr/TextSizeBody"
-        android:typeface="monospace"/>
+        android:typeface="monospace"
+        android:fontFamily="monospace"/>
 </ScrollView>
diff --git a/src/main/res/layout/activity_edit_account.xml b/src/main/res/layout/activity_edit_account.xml
index 5034f7342a7743a1075cff0b4610c8a847b67a24..53226b8265ad3d2081d42bacad0ab3d033f64f7c 100644
--- a/src/main/res/layout/activity_edit_account.xml
+++ b/src/main/res/layout/activity_edit_account.xml
@@ -320,7 +320,8 @@
                             android:layout_height="wrap_content"
                             android:textColor="@color/black87"
                             android:textSize="?attr/TextSizeBody"
-                            android:typeface="monospace" />
+                            android:typeface="monospace"
+                            android:fontFamily="monospace"/>
 
                         <TextView
                             android:layout_width="wrap_content"
@@ -361,7 +362,8 @@
                            android:layout_height="wrap_content"
                            android:textColor="@color/black87"
                            android:textSize="?attr/TextSizeBody"
-                           android:typeface="monospace" />
+                           android:typeface="monospace"
+                           android:fontFamily="monospace"/>
 
                        <TextView
                            android:layout_width="wrap_content"
diff --git a/src/main/res/layout/activity_verify_otr.xml b/src/main/res/layout/activity_verify_otr.xml
index ab21c693d165f038f786c2edc844f812bdac3bbd..c15f19d5e623a49a85dbe834471a5b18e98d8363 100644
--- a/src/main/res/layout/activity_verify_otr.xml
+++ b/src/main/res/layout/activity_verify_otr.xml
@@ -36,7 +36,8 @@
 					android:layout_height="wrap_content"
 					android:textColor="@color/black87"
 					android:textSize="?attr/TextSizeBody"
-					android:typeface="monospace"/>
+					android:typeface="monospace"
+					android:fontFamily="monospace"/>
 
 				<TextView
 					android:layout_width="wrap_content"
@@ -52,7 +53,8 @@
 					android:layout_marginTop="20dp"
 					android:textColor="@color/black87"
 					android:textSize="?attr/TextSizeBody"
-					android:typeface="monospace"/>
+					android:typeface="monospace"
+					android:fontFamily="monospace"/>
 
 				<TextView
 					android:layout_width="wrap_content"
diff --git a/src/main/res/layout/contact.xml b/src/main/res/layout/contact.xml
index a7f5bef586b5e560b3cffbc9e5ebbe7b937afa45..3c0c748766bc878e257d009bb1c364d4e2e6ec7e 100644
--- a/src/main/res/layout/contact.xml
+++ b/src/main/res/layout/contact.xml
@@ -51,6 +51,7 @@
             android:textColor="@color/black87"
             android:textSize="?attr/TextSizeHeadline"
             android:typeface="monospace"
+            android:fontFamily="monospace"
             android:visibility="gone" />
     </LinearLayout>
 
diff --git a/src/main/res/layout/contact_key.xml b/src/main/res/layout/contact_key.xml
index 7cb0bae7b4655a8c611d396154efbb95196d725c..6b86f80a5e6973b13991b404c9c24209797c13bf 100644
--- a/src/main/res/layout/contact_key.xml
+++ b/src/main/res/layout/contact_key.xml
@@ -18,7 +18,8 @@
             android:layout_alignParentLeft="true"
             android:layout_toLeftOf="@+id/tgl_trust"
             android:textSize="?attr/TextSizeBody"
-            android:typeface="monospace" />
+            android:typeface="monospace"
+            android:fontFamily="monospace"/>
 
         <TextView
             android:id="@+id/key_type"