Index: src/main/java/org/apache/maven/shared/release/phase/InputVariablesPhase.java
===================================================================
--- src/main/java/org/apache/maven/shared/release/phase/InputVariablesPhase.java	(revision 964499)
+++ src/main/java/org/apache/maven/shared/release/phase/InputVariablesPhase.java	(working copy)
@@ -19,6 +19,9 @@
  * under the License.
  */
 
+import java.util.List;
+
+import org.apache.commons.lang.StringUtils;
 import org.apache.maven.artifact.ArtifactUtils;
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.scm.manager.NoSuchScmProviderException;
@@ -35,8 +38,6 @@
 import org.codehaus.plexus.components.interactivity.Prompter;
 import org.codehaus.plexus.components.interactivity.PrompterException;
 
-import java.util.List;
-
 /**
  * Input any variables that were not yet configured.
  *
@@ -94,16 +95,25 @@
         MavenProject project = ReleaseUtil.getRootProject( reactorProjects );
 
         String tag = releaseDescriptor.getScmReleaseLabel();
-
-        if ( tag == null )
+        
+        // Must get default version from mapped versions, as the project will be the incorrect snapshot
+        String key = ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() );
+        String releaseVersion = (String) releaseDescriptor.getReleaseVersions().get( key );
+        
+        if ( tag != null) 
         {
-            // Must get default version from mapped versions, as the project will be the incorrect snapshot
-            String key = ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() );
-            String releaseVersion = (String) releaseDescriptor.getReleaseVersions().get( key );
-            if ( releaseVersion == null )
-            {
-                throw new ReleaseExecutionException( "Project tag cannot be selected if version is not yet mapped" );
-            }
+        	tag = tag.replace("[groupId]", project.getGroupId())
+        			 .replace("[artifactId]", project.getArtifactId())
+        			 .replace("[version]", StringUtils.defaultString(releaseVersion));
+        	
+        	releaseDescriptor.setScmReleaseLabel(tag);
+        }
+        else
+        {
+        	if ( releaseVersion == null )
+        	{
+        		throw new ReleaseExecutionException( "Project tag cannot be selected if version is not yet mapped" );
+        	}
 
             String defaultTag = project.getArtifactId() + "-" + releaseVersion;
 
Index: src/test/java/org/apache/maven/shared/release/phase/InputVariablesPhaseTest.java
===================================================================
--- src/test/java/org/apache/maven/shared/release/phase/InputVariablesPhaseTest.java	(revision 964499)
+++ src/test/java/org/apache/maven/shared/release/phase/InputVariablesPhaseTest.java	(working copy)
@@ -19,6 +19,9 @@
  * under the License.
  */
 
+import java.util.Collections;
+import java.util.List;
+
 import org.apache.maven.model.Model;
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.shared.release.ReleaseExecutionException;
@@ -35,9 +38,6 @@
 import org.jmock.core.stub.ReturnStub;
 import org.jmock.core.stub.ThrowStub;
 
-import java.util.Collections;
-import java.util.List;
-
 /**
  * Test the variable input phase.
  *
@@ -151,6 +151,39 @@
         assertEquals( "Check tag", "artifactId-1.0", releaseDescriptor.getScmReleaseLabel() );
     }
 
+    public void testInputVariablesNonInteractiveReplaceVariables()
+    	throws Exception
+	{
+	    Mock mockPrompter = new Mock( Prompter.class );
+	    mockPrompter.expects( new TestFailureMatcher( "prompter should not be called" ) ).method( "prompt" );
+	    phase.setPrompter( (Prompter) mockPrompter.proxy() );
+	
+	    List reactorProjects = Collections.singletonList( createProject( "artifactId", "1.0" ) );
+	
+	    ReleaseDescriptor releaseDescriptor = new ReleaseDescriptor();
+	    releaseDescriptor.setInteractive( false );
+	    releaseDescriptor.mapReleaseVersion( "groupId:artifactId", "1.0" );
+	    releaseDescriptor.setScmSourceUrl( "scm:svn:file://localhost/tmp/scm-repo" );
+	    releaseDescriptor.setScmReleaseLabel("tagprefix/[groupId]-[artifactId]-[version]");
+	
+	    phase.execute( releaseDescriptor, new DefaultReleaseEnvironment(), reactorProjects );
+	
+	    assertEquals( "Check tag", "tagprefix/groupId-artifactId-1.0", releaseDescriptor.getScmReleaseLabel() );
+	
+	    mockPrompter.reset();
+	    mockPrompter.expects( new TestFailureMatcher( "prompter should not be called" ) ).method( "prompt" );
+	
+	    releaseDescriptor = new ReleaseDescriptor();
+	    releaseDescriptor.setInteractive( false );
+	    releaseDescriptor.mapReleaseVersion( "groupId:artifactId", "1.0" );
+	    releaseDescriptor.setScmSourceUrl( "scm:svn:file://localhost/tmp/scm-repo" );
+	    releaseDescriptor.setScmReleaseLabel("tagprefix/[groupId]-[artifactId]-[version]");
+	
+	    phase.simulate( releaseDescriptor, new DefaultReleaseEnvironment(), reactorProjects );
+	
+	    assertEquals( "Check tag", "tagprefix/groupId-artifactId-1.0", releaseDescriptor.getScmReleaseLabel() );
+	}
+    
     public void testInputVariablesNonInteractiveConfigured()
         throws Exception
     {