diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 2d345df70..50270b4f9 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -458,7 +458,7 @@ bool cmMakefile::ReadListFile(const char* filename_in,
     this->ListFileStack.pop_back();
     if(fullPath!=0)
       {
-      fullPath->clear();
+      *fullPath = "";
       }
     this->AddDefinition("CMAKE_PARENT_LIST_FILE", currentParentFile.c_str());
     this->AddDefinition("CMAKE_CURRENT_LIST_FILE", currentFile.c_str());