diff --git a/java/src/com/android/inputmethod/keyboard/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java
index 26c3f3ede..af510b8b7 100644
--- a/java/src/com/android/inputmethod/keyboard/Key.java
+++ b/java/src/com/android/inputmethod/keyboard/Key.java
@@ -144,7 +144,7 @@ public class Key {
         mEdgeFlags = row.mRowEdgeFlags;
         mHintIcon = null;
         mManualTemporaryUpperCaseHintIcon = null;
-        mManualTemporaryUpperCaseCode = 0;
+        mManualTemporaryUpperCaseCode = Keyboard.CODE_DUMMY;
         mLabelOption = 0;
         mModifier = false;
         mSticky = false;
@@ -233,7 +233,7 @@ public class Key {
             mLabel = style.getText(keyAttr, R.styleable.Keyboard_Key_keyLabel);
             mLabelOption = style.getFlag(keyAttr, R.styleable.Keyboard_Key_keyLabelOption, 0);
             mManualTemporaryUpperCaseCode = style.getInt(keyAttr,
-                    R.styleable.Keyboard_Key_manualTemporaryUpperCaseCode, 0);
+                    R.styleable.Keyboard_Key_manualTemporaryUpperCaseCode, Keyboard.CODE_DUMMY);
             mOutputText = style.getText(keyAttr, R.styleable.Keyboard_Key_keyOutputText);
             // Choose the first letter of the label as primary code if not
             // specified.
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index 7928c4f8e..9bfe9113d 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -414,6 +414,11 @@ public class PointerTracker {
         Key key = getKey(keyIndex);
         if (key.mCode == Keyboard.CODE_SHIFT) {
             mHandler.startLongPressShiftTimer(mLongPressShiftKeyTimeout, keyIndex, this);
+        } else if (key.mManualTemporaryUpperCaseCode != Keyboard.CODE_DUMMY
+                && mKeyboard.isManualTemporaryUpperCase()) {
+            // We need not start long press timer on the key which has manual temporary upper case
+            // code defined and the keyboard is in manual temporary upper case mode.
+            return;
         } else if (mKeyboardSwitcher.isInMomentaryAutoModeSwitchState()) {
             // We use longer timeout for sliding finger input started from the symbols mode key.
             mHandler.startLongPressTimer(mLongPressKeyTimeout * 2, keyIndex, this);
@@ -438,7 +443,8 @@ public class PointerTracker {
 
             // If keyboard is in manual temporary upper case state and key has manual temporary
             // shift code, alternate character code should be sent.
-            if (mKeyboard.isManualTemporaryUpperCase() && key.mManualTemporaryUpperCaseCode != 0) {
+            if (mKeyboard.isManualTemporaryUpperCase()
+                    && key.mManualTemporaryUpperCaseCode != Keyboard.CODE_DUMMY) {
                 code = key.mManualTemporaryUpperCaseCode;
                 codes[0] = code;
             }