diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 9bd85e2eb..428ea6a36 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -464,7 +464,8 @@ bool cmMakefile::ReadListFile(const char* filename_in,
       {
       // pop the listfile off the stack
       this->ListFileStack.pop_back();
-      this->AddDefinition("CMAKE_PARENT_LIST_FILE", currentParentFile.c_str());
+      this->AddDefinition("CMAKE_PARENT_LIST_FILE",
+                          currentParentFile.c_str());
       this->AddDefinition("CMAKE_CURRENT_LIST_FILE", currentFile.c_str());
       return true;
       }