diff --git a/android-app-core/res/layout/cpp_simple_button_round_brackets.xml b/android-app-core/res/layout/cpp_simple_button_round_brackets.xml
index 22e62fd8..ed2222b8 100644
--- a/android-app-core/res/layout/cpp_simple_button_round_brackets.xml
+++ b/android-app-core/res/layout/cpp_simple_button_round_brackets.xml
@@ -8,5 +8,5 @@
 
 <Button xmlns:a="http://schemas.android.com/apk/res/android"
 	a:id="@id/cpp_button_round_brackets"
-	a:text="()"
+	a:text="(  )"
 	style="@style/cpp_simple_metro_digit_button_style" />
\ No newline at end of file
diff --git a/android-app/res/layout/cpp_drag_button_round_brackets.xml b/android-app/res/layout/cpp_drag_button_round_brackets.xml
index b2128061..bfe5dae8 100644
--- a/android-app/res/layout/cpp_drag_button_round_brackets.xml
+++ b/android-app/res/layout/cpp_drag_button_round_brackets.xml
@@ -10,7 +10,7 @@
 	xmlns:c="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 	a:id="@id/cpp_button_round_brackets"
 	c:textUp="("
-	a:text="()"
+	a:text="(  )"
 	c:textDown=")"
 	c:textLeft="(…)"
 	c:directionTextScale="0.5;0.5;0.5;0.33"
diff --git a/core/src/main/java/org/solovyev/android/calculator/CalculatorKeyboardImpl.java b/core/src/main/java/org/solovyev/android/calculator/CalculatorKeyboardImpl.java
index b5e881d7..89fc5d1e 100644
--- a/core/src/main/java/org/solovyev/android/calculator/CalculatorKeyboardImpl.java
+++ b/core/src/main/java/org/solovyev/android/calculator/CalculatorKeyboardImpl.java
@@ -1,9 +1,10 @@
 package org.solovyev.android.calculator;
 
+import org.solovyev.android.calculator.math.MathType;
+import org.solovyev.common.text.Strings;
+
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
-import org.solovyev.android.calculator.math.MathType;
-import org.solovyev.common.text.Strings;
 
 /**
  * User: serso
@@ -29,36 +30,49 @@ public class CalculatorKeyboardImpl implements CalculatorKeyboard {
 			boolean processed = processSpecialButtons(text);
 
 			if (!processed) {
-				int cursorPositionOffset = 0;
-				final StringBuilder textToBeInserted = new StringBuilder(text);
-
-				final MathType.Result mathType = MathType.getType(text, 0, false);
-				switch (mathType.getMathType()) {
-					case function:
-						textToBeInserted.append("()");
-						cursorPositionOffset = -1;
-						break;
-					case operator:
-						textToBeInserted.append("()");
-						cursorPositionOffset = -1;
-						break;
-					case comma:
-						textToBeInserted.append(" ");
-						break;
-				}
-
-				if (cursorPositionOffset == 0) {
-					if (MathType.openGroupSymbols.contains(text)) {
-						cursorPositionOffset = -1;
-					}
-				}
-
-				final CalculatorEditor editor = Locator.getInstance().getEditor();
-				editor.insert(textToBeInserted.toString(), cursorPositionOffset);
+				processText(prepareText(text));
 			}
 		}
 	}
 
+	private void processText(@Nonnull String text) {
+		int cursorPositionOffset = 0;
+		final StringBuilder textToBeInserted = new StringBuilder(text);
+
+		final MathType.Result mathType = MathType.getType(text, 0, false);
+		switch (mathType.getMathType()) {
+			case function:
+				textToBeInserted.append("()");
+				cursorPositionOffset = -1;
+				break;
+			case operator:
+				textToBeInserted.append("()");
+				cursorPositionOffset = -1;
+				break;
+			case comma:
+				textToBeInserted.append(" ");
+				break;
+		}
+
+		if (cursorPositionOffset == 0) {
+			if (MathType.openGroupSymbols.contains(text)) {
+				cursorPositionOffset = -1;
+			}
+		}
+
+		final CalculatorEditor editor = Locator.getInstance().getEditor();
+		editor.insert(textToBeInserted.toString(), cursorPositionOffset);
+	}
+
+	@Nonnull
+	private String prepareText(@Nonnull String text) {
+		if ("(  )".equals(text)) {
+			return "()";
+		} else {
+			return text;
+		}
+	}
+
 	private boolean processSpecialButtons(@Nonnull String text) {
 		boolean result = false;