diff --git a/src/main/java/org/apache/maven/plugin/compiler/CompilerMojo.java b/src/main/java/org/apache/maven/plugin/compiler/CompilerMojo.java
index 228643e4..2d3d4fad 100644
--- a/src/main/java/org/apache/maven/plugin/compiler/CompilerMojo.java
+++ b/src/main/java/org/apache/maven/plugin/compiler/CompilerMojo.java
@@ -296,6 +296,7 @@ protected void preparePaths(Set<File> sourceFiles) {
                 classpathElements.add(element.getPath());
             }
             modulepathElements = Collections.emptyList();
+            pathElements = Collections.emptyMap();
         }
     }