diff --git a/tool/pom.xml b/tool/pom.xml
index 4a0374d4d..073f0cbd1 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -98,6 +98,13 @@
             <phase>package</phase>
             <configuration>
               <dependencyReducedPomLocation>${project.build.directory}/dependency-reduced-pom.xml</dependencyReducedPomLocation>
+              <transformers>
+                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                  <manifestEntries>
+                    <Main-Class>org.antlr.v4.Tool</Main-Class>
+                  </manifestEntries>
+                </transformer>
+              </transformers>
             </configuration>
             <goals>
               <goal>shade</goal>