diff --git a/java/res/xml-sw768dp/key_styles_common.xml b/java/res/xml-sw768dp/key_styles_common.xml
index 5c35f1c..069fc63 100644
--- a/java/res/xml-sw768dp/key_styles_common.xml
+++ b/java/res/xml-sw768dp/key_styles_common.xml
@@ -78,9 +78,12 @@
         latin:code="@integer/key_space"
         latin:keyActionFlags="noKeyPreview" />
     <key-style
-        latin:styleName="nonSpecialBackgroundSpaceKeyStyle"
-        latin:code="@integer/key_space"
-        latin:keyActionFlags="noKeyPreview" />
+        latin:styleName="zwnjKeyStyle"
+        latin:keyLabel="&#x200C;"
+        latin:moreKeys="&#x200D;"
+        latin:keyLabelFlags="hasPopupHint"
+        latin:altCode="@integer/key_space"
+        latin:keyActionFlags="altCodeWhileTyping" />
     <key-style
         latin:styleName="smileyKeyStyle"
         latin:keyLabel=":-)"
diff --git a/java/res/xml-sw768dp/row_qwerty4.xml b/java/res/xml-sw768dp/row_qwerty4.xml
index 24c081e..0aa04f8 100644
--- a/java/res/xml-sw768dp/row_qwerty4.xml
+++ b/java/res/xml-sw768dp/row_qwerty4.xml
@@ -76,10 +76,30 @@
                 </switch>
             </default>
         </switch>
-        <Key
-            latin:keyStyle="spaceKeyStyle"
-            latin:keyXPos="31.250%p"
-            latin:keyWidth="37.500%p" />
+        <switch>
+            <case
+                latin:languageCode="fa"
+            >
+                <Key
+                    latin:keyStyle="spaceKeyStyle"
+                    latin:keyXPos="31.250%p"
+                    latin:keyWidth="29.453%p" />
+                <!-- U+200C: "" ZERO WIDTH NON-JOINER
+                     U+200D: "" ZERO WIDTH JOINER -->
+                <Key
+                    latin:keyLabel="&#x200C;"
+                    latin:moreKeys="&#x200D;"
+                    latin:keyLabelFlags="hasPopupHint"
+                    latin:altCode="@integer/key_space"
+                    latin:keyActionFlags="altCodeWhileTyping" />
+            </case>
+            <default>
+                <Key
+                    latin:keyStyle="spaceKeyStyle"
+                    latin:keyXPos="31.250%p"
+                    latin:keyWidth="37.500%p" />
+            </default>
+        </switch>
         <switch>
             <case
                 latin:languageCode="iw"
diff --git a/java/res/xml-sw768dp/rows_number_normal.xml b/java/res/xml-sw768dp/rows_number_normal.xml
index 8bf1a17..2eeb6c9 100644
--- a/java/res/xml-sw768dp/rows_number_normal.xml
+++ b/java/res/xml-sw768dp/rows_number_normal.xml
@@ -145,7 +145,7 @@
             latin:keyboardLayout="@xml/key_settings"
             latin:keyWidth="8.047%p" />
         <Key
-            latin:keyStyle="nonSpecialBackgroundSpaceKeyStyle"
+            latin:keyStyle="spaceKeyStyle"
             latin:keyXPos="13.829%p"
             latin:keyWidth="24.140%p" />
         <Key
diff --git a/java/res/xml-sw768dp/rows_phone.xml b/java/res/xml-sw768dp/rows_phone.xml
index 69c9e86..216fbed 100644
--- a/java/res/xml-sw768dp/rows_phone.xml
+++ b/java/res/xml-sw768dp/rows_phone.xml
@@ -114,7 +114,7 @@
             latin:keyboardLayout="@xml/key_settings"
             latin:keyWidth="8.047%p" />
         <Key
-            latin:keyStyle="nonSpecialBackgroundSpaceKeyStyle"
+            latin:keyStyle="spaceKeyStyle"
             latin:keyXPos="13.829%p"
             latin:keyWidth="24.140%p" />
         <Key