diff --git a/pmd-cpp/src/main/java/net/sourceforge/pmd/lang/cpp/CppCharStream.java b/pmd-cpp/src/main/java/net/sourceforge/pmd/lang/cpp/CppCharStream.java
index 7263a61324..4718198058 100644
--- a/pmd-cpp/src/main/java/net/sourceforge/pmd/lang/cpp/CppCharStream.java
+++ b/pmd-cpp/src/main/java/net/sourceforge/pmd/lang/cpp/CppCharStream.java
@@ -28,7 +28,7 @@ class CppCharStream extends SimpleCharStream {
     private static final char NEWLINE = '\n';
     private static final char CARRIAGE_RETURN = '\r';
 
-    public CppCharStream(JavaccTokenDocument document) {
+    CppCharStream(JavaccTokenDocument document) {
         super(document);
     }