diff --git a/dist/pom.xml b/dist/pom.xml
index 6885aaa8572..700d1b5ebea 100644
--- a/dist/pom.xml
+++ b/dist/pom.xml
@@ -179,6 +179,23 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>if_modified_files</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>exec</goal>
+            </goals>
+            <configuration>
+              <executable>bash</executable>
+              <commandlineArgs>-c 'export MODIFIED=$(git status --porcelain | grep "^ M"); [[ -z $MODIFIED ]] &amp;&amp; exit 0 || { echo -e "found modified files during mvn verify:\n$MODIFIED"; exit 1;}'</commandlineArgs>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.apache.rat</groupId>
         <artifactId>apache-rat-plugin</artifactId>