diff --git a/java/res/xml-sw600dp/rowkeys_pcqwerty1.xml b/java/res/xml-sw600dp/rowkeys_pcqwerty1.xml
index d486b9df0..b11bbba1b 100644
--- a/java/res/xml-sw600dp/rowkeys_pcqwerty1.xml
+++ b/java/res/xml-sw600dp/rowkeys_pcqwerty1.xml
@@ -52,8 +52,8 @@
                 latin:keyStyle="hasShiftedLetterHintStyle" />
             <Key
                 latin:keyLabel="3"
-                latin:keyHintLabel="#"
-                latin:additionalMoreKeys="#"
+                latin:keyHintLabel="\#"
+                latin:additionalMoreKeys="\#"
                 latin:moreKeys="!text/more_keys_for_symbols_3"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
             <Key
diff --git a/java/res/xml-sw600dp/rowkeys_symbols2.xml b/java/res/xml-sw600dp/rowkeys_symbols2.xml
index d7067e0cf..7d7dcfe31 100644
--- a/java/res/xml-sw600dp/rowkeys_symbols2.xml
+++ b/java/res/xml-sw600dp/rowkeys_symbols2.xml
@@ -34,7 +34,7 @@
         </case>
         <default>
             <Key
-                latin:keyLabel="#" />
+                latin:keyLabel="\#" />
         </default>
     </switch>
     <Key
@@ -49,9 +49,9 @@
             <!-- U+066B: "٫" ARABIC DECIMAL SEPARATOR -->
             <Key
                 latin:keyLabel="&#x066B;"
-                latin:keyHintLabel="#"
+                latin:keyHintLabel="\#"
                 latin:keyLabelFlags="hasPopupHint|hasShiftedLetterHint"
-                latin:moreKeys="#" />
+                latin:moreKeys="\#" />
         </case>
         <default>
             <Key
diff --git a/java/res/xml-sw600dp/rows_number_normal.xml b/java/res/xml-sw600dp/rows_number_normal.xml
index f69239456..37bf2e808 100644
--- a/java/res/xml-sw600dp/rows_number_normal.xml
+++ b/java/res/xml-sw600dp/rows_number_normal.xml
@@ -151,7 +151,7 @@
             latin:keyLabel="0"
             latin:keyStyle="numKeyStyle" />
         <Key
-            latin:keyLabel="#"
+            latin:keyLabel="\#"
             latin:keyStyle="numKeyStyle" />
         <!-- Note: This Spacer prevents the above key from being marked as a right edge key. -->
         <Spacer
diff --git a/java/res/xml-sw600dp/rows_phone.xml b/java/res/xml-sw600dp/rows_phone.xml
index dcc4fde7d..c4799bbcd 100644
--- a/java/res/xml-sw600dp/rows_phone.xml
+++ b/java/res/xml-sw600dp/rows_phone.xml
@@ -116,7 +116,7 @@
         <Key
             latin:keyStyle="num0KeyStyle" />
         <Key
-            latin:keyLabel="#"
+            latin:keyLabel="\#"
             latin:keyStyle="numKeyStyle" />
     </Row>
 </merge>
diff --git a/java/res/xml-sw768dp/rows_number_normal.xml b/java/res/xml-sw768dp/rows_number_normal.xml
index d4d7c722a..de49aba91 100644
--- a/java/res/xml-sw768dp/rows_number_normal.xml
+++ b/java/res/xml-sw768dp/rows_number_normal.xml
@@ -166,7 +166,7 @@
             latin:keyLabel="0"
             latin:keyStyle="numKeyStyle" />
         <Key
-            latin:keyLabel="#"
+            latin:keyLabel="\#"
             latin:keyStyle="numKeyStyle" />
         <!-- Note: This Spacer prevents the above key from being marked as a right edge key. -->
         <Spacer
diff --git a/java/res/xml-sw768dp/rows_phone.xml b/java/res/xml-sw768dp/rows_phone.xml
index 2f718db62..d06a63b2c 100644
--- a/java/res/xml-sw768dp/rows_phone.xml
+++ b/java/res/xml-sw768dp/rows_phone.xml
@@ -132,7 +132,7 @@
         <Key
             latin:keyStyle="num0KeyStyle" />
         <Key
-            latin:keyLabel="#"
+            latin:keyLabel="\#"
             latin:keyStyle="numKeyStyle" />
    </Row>
 </merge>
diff --git a/java/res/xml/keys_pcqwerty_symbols1.xml b/java/res/xml/keys_pcqwerty_symbols1.xml
index bf48b1f17..2364e1087 100644
--- a/java/res/xml/keys_pcqwerty_symbols1.xml
+++ b/java/res/xml/keys_pcqwerty_symbols1.xml
@@ -32,7 +32,7 @@
     <Key
         latin:keyLabel="\@" />
     <Key
-        latin:keyLabel="#" />
+        latin:keyLabel="\#" />
     <Key
         latin:keyLabel="$" />
     <!-- U+2030: "‰" PER MILLE SIGN -->
diff --git a/java/res/xml/rowkeys_pcqwerty1.xml b/java/res/xml/rowkeys_pcqwerty1.xml
index 0ecda3550..b2d1d374b 100644
--- a/java/res/xml/rowkeys_pcqwerty1.xml
+++ b/java/res/xml/rowkeys_pcqwerty1.xml
@@ -41,7 +41,7 @@
                 latin:moreKeys="!text/more_keys_for_symbols_2" />
             <Key
                 latin:keyLabel="3"
-                latin:additionalMoreKeys="#"
+                latin:additionalMoreKeys="\#"
                 latin:moreKeys="!text/more_keys_for_symbols_3" />
             <Key
                 latin:keyLabel="4"
diff --git a/java/res/xml/rowkeys_symbols2.xml b/java/res/xml/rowkeys_symbols2.xml
index 425e20470..d3c1278da 100644
--- a/java/res/xml/rowkeys_symbols2.xml
+++ b/java/res/xml/rowkeys_symbols2.xml
@@ -33,14 +33,14 @@
                 latin:moreKeys="\@" />
             <Key
                 latin:keyLabel="&#x066B;"
-                latin:keyHintLabel="#"
-                latin:moreKeys="#" />
+                latin:keyHintLabel="\#"
+                latin:moreKeys="\#" />
         </case>
         <default>
             <Key
                 latin:keyLabel="\@" />
             <Key
-                latin:keyLabel="#" />
+                latin:keyLabel="\#" />
         </default>
     </switch>
     <Key
diff --git a/java/res/xml/rows_phone_symbols.xml b/java/res/xml/rows_phone_symbols.xml
index c13018e7c..8c10a2d71 100644
--- a/java/res/xml/rows_phone_symbols.xml
+++ b/java/res/xml/rows_phone_symbols.xml
@@ -65,7 +65,7 @@
         <Key
             latin:keyStyle="numWaitKeyStyle" />
         <Key
-            latin:keyLabel="#"
+            latin:keyLabel="\#"
             latin:keyStyle="numKeyStyle" />
         <Key
             latin:keyStyle="deleteKeyStyle"