diff --git a/src/main/java/org/apache/commons/exec/environment/DefaultProcessingEnvironment.java b/src/main/java/org/apache/commons/exec/environment/DefaultProcessingEnvironment.java
index 7b3577b43..fe2e2e155 100644
--- a/src/main/java/org/apache/commons/exec/environment/DefaultProcessingEnvironment.java
+++ b/src/main/java/org/apache/commons/exec/environment/DefaultProcessingEnvironment.java
@@ -122,7 +122,7 @@ protected CommandLine getProcEnvCommand() {
      */
     public synchronized Map<String, String> getProcEnvironment() throws IOException {
         if (procEnvironment == null) {
-            procEnvironment = this.createProcEnvironment();
+            procEnvironment = createProcEnvironment();
         }
         // create a copy of the map just in case that
         // anyone is going to modifiy it, e.g. removing