diff --git a/java/res/values/keycodes.xml b/java/res/values/keycodes.xml
index 59cc075..4f8bfed 100644
--- a/java/res/values/keycodes.xml
+++ b/java/res/values/keycodes.xml
@@ -23,6 +23,7 @@
     <integer name="key_tab">9</integer>
     <integer name="key_return">10</integer>
     <integer name="key_space">32</integer>
+    <integer name="key_dummy">0</integer>
     <integer name="key_shift">-1</integer>
     <integer name="key_switch_alpha_symbol">-2</integer>
     <integer name="key_delete">-5</integer>
diff --git a/java/res/xml-sw600dp/kbd_key_styles.xml b/java/res/xml-sw600dp/kbd_key_styles.xml
index aba1a80..e0171b0 100644
--- a/java/res/xml-sw600dp/kbd_key_styles.xml
+++ b/java/res/xml-sw600dp/kbd_key_styles.xml
@@ -78,14 +78,14 @@
         latin:code="@integer/key_shortcut"
         latin:keyIcon="iconShortcutKey"
         latin:keyActionFlags="noKeyPreview|altCodeWhileTyping"
-        latin:altCode="@integer/key_space"
+        latin:altCode="@integer/key_dummy"
         latin:parentStyle="f2PopupStyle" />
     <key-style
         latin:styleName="settingsKeyStyle"
         latin:code="@integer/key_settings"
         latin:keyIcon="iconSettingsKey"
         latin:keyActionFlags="noKeyPreview|altCodeWhileTyping"
-        latin:altCode="@integer/key_space"
+        latin:altCode="@integer/key_dummy"
         latin:backgroundType="functional" />
     <key-style
         latin:styleName="tabKeyStyle"
diff --git a/java/res/xml-sw768dp/kbd_key_styles.xml b/java/res/xml-sw768dp/kbd_key_styles.xml
index e6ec53d..d926650 100644
--- a/java/res/xml-sw768dp/kbd_key_styles.xml
+++ b/java/res/xml-sw768dp/kbd_key_styles.xml
@@ -60,14 +60,14 @@
         latin:code="@integer/key_shortcut"
         latin:keyIcon="iconShortcutKey"
         latin:keyActionFlags="noKeyPreview|altCodeWhileTyping"
-        latin:altCode="@integer/key_space"
+        latin:altCode="@integer/key_dummy"
         latin:backgroundType="functional" />
     <key-style
         latin:styleName="settingsKeyStyle"
         latin:code="@integer/key_settings"
         latin:keyIcon="iconSettingsKey"
         latin:keyActionFlags="noKeyPreview|altCodeWhileTyping"
-        latin:altCode="@integer/key_space"
+        latin:altCode="@integer/key_dummy"
         latin:backgroundType="functional" />
     <key-style
         latin:styleName="tabKeyStyle"
diff --git a/java/src/com/android/inputmethod/keyboard/Keyboard.java b/java/src/com/android/inputmethod/keyboard/Keyboard.java
index e267aa6..e3f2191 100644
--- a/java/src/com/android/inputmethod/keyboard/Keyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/Keyboard.java
@@ -151,6 +151,9 @@
     }
 
     public Key getKey(int code) {
+        if (code == CODE_DUMMY) {
+            return null;
+        }
         final Integer keyCode = code;
         if (mKeyCache.containsKey(keyCode)) {
             return mKeyCache.get(keyCode);
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index fdbc9d8..98fea1b 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -1602,7 +1602,7 @@
             final boolean shouldAutoCorrect = mSettingsValues.mAutoCorrectEnabled
                     && !mInputTypeNoAutoCorrect;
             if (shouldAutoCorrect && primaryCode != Keyboard.CODE_SINGLE_QUOTE) {
-                final boolean didAutoCorrect = commitCurrentAutoCorrection(primaryCode, ic);
+                commitCurrentAutoCorrection(primaryCode, ic);
             } else {
                 commitTyped(ic);
             }
@@ -1859,7 +1859,8 @@
         setSuggestionStripShown(isSuggestionsStripVisible());
     }
 
-    private boolean commitCurrentAutoCorrection(final int separatorCode, final InputConnection ic) {
+    private void commitCurrentAutoCorrection(final int separatorCodePoint,
+            final InputConnection ic) {
         // Complete any pending suggestions query first
         if (mHandler.hasPendingUpdateSuggestions()) {
             mHandler.cancelUpdateSuggestions();
@@ -1872,7 +1873,7 @@
                 throw new RuntimeException("We have an auto-correction but the typed word "
                         + "is empty? Impossible! I must commit suicide.");
             }
-            Utils.Stats.onAutoCorrection(typedWord, autoCorrection.toString(), separatorCode);
+            Utils.Stats.onAutoCorrection(typedWord, autoCorrection.toString(), separatorCodePoint);
             mExpectingUpdateSelection = true;
             commitBestWord(autoCorrection);
             if (!autoCorrection.equals(typedWord)) {
@@ -1881,15 +1882,13 @@
             // Add the word to the user unigram dictionary if it's not a known word
             addToUserUnigramAndBigramDictionaries(autoCorrection,
                     UserUnigramDictionary.FREQUENCY_FOR_TYPED);
-            if (!typedWord.equals(autoCorrection)) {
+            if (!typedWord.equals(autoCorrection) && null != ic) {
                 // This will make the correction flash for a short while as a visual clue
                 // to the user that auto-correction happened.
                 InputConnectionCompatUtils.commitCorrection(ic,
                         mLastSelectionEnd - typedWord.length(), typedWord, autoCorrection);
             }
-            return true;
         }
-        return false;
     }
 
     @Override