diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index eb6b87197..a16fc5541 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -73,7 +73,7 @@ cmLocalGenerator::~cmLocalGenerator()
 
 bool cmLocalGenerator::IsRootMakefile() const
 {
-  return !this->StateSnapshot.GetParent().IsValid();
+  return !this->StateSnapshot.GetBuildsystemDirectoryParent().IsValid();
 }
 
 //----------------------------------------------------------------------------
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 60498efbb..00627bf71 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -4038,7 +4038,8 @@ const char *cmMakefile::GetProperty(const std::string& prop,
   output = "";
   if (prop == "PARENT_DIRECTORY")
     {
-    cmState::Snapshot parent = this->StateSnapshot.GetParent();
+    cmState::Snapshot parent =
+        this->StateSnapshot.GetBuildsystemDirectoryParent();
     if(parent.IsValid())
       {
       return parent.GetCurrentSourceDirectory();
diff --git a/Source/cmState.cxx b/Source/cmState.cxx
index 87892b4dd..c6fb2998e 100644
--- a/Source/cmState.cxx
+++ b/Source/cmState.cxx
@@ -590,7 +590,7 @@ void cmState::Snapshot::ComputeRelativePathTopSource()
   snapshots.push_back(snapshot);
   while (true)
     {
-    snapshot = snapshot.GetParent();
+    snapshot = snapshot.GetBuildsystemDirectoryParent();
     if (snapshot.IsValid())
       {
       snapshots.push_back(snapshot);
@@ -622,7 +622,7 @@ void cmState::Snapshot::ComputeRelativePathTopBinary()
   snapshots.push_back(snapshot);
   while (true)
     {
-    snapshot = snapshot.GetParent();
+    snapshot = snapshot.GetBuildsystemDirectoryParent();
     if (snapshot.IsValid())
       {
       snapshots.push_back(snapshot);
@@ -775,7 +775,7 @@ bool cmState::Snapshot::IsValid() const
   return this->State ? true : false;
 }
 
-cmState::Snapshot cmState::Snapshot::GetParent() const
+cmState::Snapshot cmState::Snapshot::GetBuildsystemDirectoryParent() const
 {
   Snapshot snapshot;
   if (!this->State || this->Position == 0)
diff --git a/Source/cmState.h b/Source/cmState.h
index 24e0f7b4c..60b024f33 100644
--- a/Source/cmState.h
+++ b/Source/cmState.h
@@ -45,7 +45,7 @@ public:
     void SetRelativePathTopBinary(const char* dir);
 
     bool IsValid() const;
-    Snapshot GetParent() const;
+    Snapshot GetBuildsystemDirectoryParent() const;
 
   private:
     void ComputeRelativePathTopSource();