diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgMerge.java b/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgMerge.java
index 45ff24e382ce..d19be540fbca 100644
--- a/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgMerge.java
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgMerge.java
@@ -18,6 +18,7 @@ package org.zmlx.hg4idea.action;
 import com.intellij.openapi.progress.ProgressIndicator;
 import com.intellij.openapi.progress.Task;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vcs.VcsException;
 import com.intellij.openapi.vcs.VcsNotifier;
 import com.intellij.openapi.vcs.update.UpdatedFiles;
@@ -42,7 +43,7 @@ public class HgMerge extends HgAbstractGlobalSingleRepoAction {
     final HgMergeDialog mergeDialog = new HgMergeDialog(project, repos, selectedRepo);
     mergeDialog.show();
     if (mergeDialog.isOK()) {
-      final String targetValue = mergeDialog.getTargetValue();
+      final String targetValue = StringUtil.escapeBackSlashes(mergeDialog.getTargetValue());
       final VirtualFile repoRoot = mergeDialog.getRepository().getRoot();
       new Task.Backgroundable(project, "Merging changes...") {
         @Override
diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgUpdateToAction.java b/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgUpdateToAction.java
index 415cd223bd1f..96178a5679b5 100644
--- a/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgUpdateToAction.java
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgUpdateToAction.java
@@ -16,6 +16,7 @@ import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.progress.ProgressIndicator;
 import com.intellij.openapi.progress.Task;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -37,7 +38,7 @@ public class HgUpdateToAction extends HgAbstractGlobalSingleRepoAction {
     dialog.show();
     if (dialog.isOK()) {
       FileDocumentManager.getInstance().saveAllDocuments();
-      final String updateToValue = dialog.getTargetValue();
+      final String updateToValue = StringUtil.escapeBackSlashes(dialog.getTargetValue());
       boolean clean = dialog.isRemoveLocalChanges();
       String title = HgVcsMessages.message("hg4idea.progress.updatingTo", updateToValue);
       runUpdateToInBackground(project, title, dialog.getRepository().getRoot(), updateToValue, clean);
diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/ui/HgCommonDialogWithChoices.java b/plugins/hg4idea/src/org/zmlx/hg4idea/ui/HgCommonDialogWithChoices.java
index 2c28d4c500ed..10c15522f78f 100644
--- a/plugins/hg4idea/src/org/zmlx/hg4idea/ui/HgCommonDialogWithChoices.java
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/ui/HgCommonDialogWithChoices.java
@@ -82,7 +82,7 @@ public class HgCommonDialogWithChoices extends DialogWrapper {
     return hgRepositorySelectorComponent.getRepository();
   }
 
-  public String getTag() {
+  private String getTag() {
     return (String)tagSelector.getSelectedItem();
   }
 
@@ -90,7 +90,7 @@ public class HgCommonDialogWithChoices extends DialogWrapper {
     return tagOption.isSelected();
   }
 
-  public String getBranch() {
+  private String getBranch() {
     return (String)branchSelector.getSelectedItem();
   }
 
@@ -98,7 +98,11 @@ public class HgCommonDialogWithChoices extends DialogWrapper {
     return branchOption.isSelected();
   }
 
-  public String getBookmark() {
+  private boolean isRevisionSelected() {
+    return revisionOption.isSelected();
+  }
+
+  private String getBookmark() {
     return (String)bookmarkSelector.getSelectedItem();
   }
 
@@ -106,7 +110,7 @@ public class HgCommonDialogWithChoices extends DialogWrapper {
     return bookmarkOption.isSelected();
   }
 
-  public String getRevision() {
+  private String getRevision() {
     return revisionTxt.getText();
   }
 
@@ -141,11 +145,15 @@ public class HgCommonDialogWithChoices extends DialogWrapper {
   }
 
   public String getTargetValue() {
-    return isBranchSelected() ? getBranch() : isBookmarkSelected() ? getBookmark() : isTagSelected() ? getTag() : getRevision();
+    return isBranchSelected()
+           ? "branch(\"" + getBranch() + "\")"
+           : isBookmarkSelected()
+             ? "bookmark(\"" + getBookmark() + "\")"
+             : isTagSelected() ? "tag(\"" + getTag() + "\")" : "\"" + getRevision() + "\"";
   }
 
   protected ValidationInfo doValidate() {
     String message = "You have to specify appropriate name or revision.";
-    return StringUtil.isEmptyOrSpaces(getTargetValue()) ? new ValidationInfo(message, myBranchesBorderPanel) : null;
+    return isRevisionSelected() && StringUtil.isEmptyOrSpaces(getRevision()) ? new ValidationInfo(message, myBranchesBorderPanel) : null;
   }
 }