diff --git a/Framework/PCProject.m b/Framework/PCProject.m
index 5964c57..a6a7da7 100644
--- a/Framework/PCProject.m
+++ b/Framework/PCProject.m
@@ -406,7 +406,7 @@ NSString
   // Write to file and exit if preferences wasn't set to save panels
   if (!rememberWindows)
     {
-      [projectFileDict setObject:windows forKey:@"PC_WINDOWS"];
+      [projectFileDict setObject:windows forKey:PCWindows];
       [projectFileDict writeToFile:projectFile atomically:YES];
       return YES;
     }
@@ -447,10 +447,10 @@ NSString
 
   // Set to project dict for case if project changed
   // Don't notify about projectDict changes
-  [projectDict setObject:windows forKey:@"PC_WINDOWS"];
+  [projectDict setObject:windows forKey:PCWindows];
 
   // Now save it directly to username.project file
-  [projectFileDict setObject:windows forKey:@"PC_WINDOWS"];
+  [projectFileDict setObject:windows forKey:PCWindows];
 
   [projectFileDict setObject: [[NSCalendarDate date] description]
 	       forKey: PCLastEditing];
@@ -482,7 +482,7 @@ NSString
   NSData *dictData = nil;
 
   // remove key..
-  [dict removeObjectForKey: @"PC_WINDOWS"];
+  [dict removeObjectForKey: PCWindows];
   [dict removeObjectForKey: PCLastEditing];
 
   // initialize the wrapper...
diff --git a/Framework/PCProjectManager.m b/Framework/PCProjectManager.m
index 32f3ed1..a930b8b 100644
--- a/Framework/PCProjectManager.m
+++ b/Framework/PCProjectManager.m
@@ -626,7 +626,7 @@ NSString *PCActiveProjectDidChangeNotification = @"PCActiveProjectDidChange";
       [project setProjectManager:self];
 
       // Windows and panels
-      wap = [pDict objectForKey:@"PC_WINDOWS"];
+      wap = [pDict objectForKey:PCWindows];
       if ([[wap allKeys] containsObject:@"ProjectBuild"])
 	{
 	  [[project projectWindow] showProjectBuild:self];
diff --git a/Framework/PCProjectWindow.m b/Framework/PCProjectWindow.m
index 8c4d674..395c432 100644
--- a/Framework/PCProjectWindow.m
+++ b/Framework/PCProjectWindow.m
@@ -171,7 +171,7 @@
       // Window
       [projectWindow setFrameAutosaveName:@"ProjectWindow"];
 
-      pcWindows = [[project projectDict] objectForKey:@"PC_WINDOWS"];
+      pcWindows = [[project projectDict] objectForKey:PCWindows];
       windowFrame = [pcWindows objectForKey:@"ProjectWindow"];
 //      PCLogInfo(self, @"window frame %@", windowFrame);
       if (windowFrame != nil)
@@ -788,7 +788,7 @@
   if (!_splitViewsRestored)
     {
       projectDict = [project projectDict];
-      windowsDict = [projectDict objectForKey:@"PC_WINDOWS"];
+      windowsDict = [projectDict objectForKey:PCWindows];
       if (windowsDict != nil)
 	{
 	  browserString = [windowsDict objectForKey:@"ProjectBrowser"];
diff --git a/Headers/ProjectCenter/PCDefines.h b/Headers/ProjectCenter/PCDefines.h
index 48fed06..c475977 100644
--- a/Headers/ProjectCenter/PCDefines.h
+++ b/Headers/ProjectCenter/PCDefines.h
@@ -120,6 +120,7 @@ typedef int PCProjInfoBits;
 #import <Foundation/Foundation.h>
 
 static NSString * const PCLastEditing          = @"LAST_EDITING";
+static NSString * const PCWindows              = @"PC_WINDOWS";
 
 static NSString * const PCClasses              = @"CLASS_FILES";
 static NSString * const PCHeaders              = @"HEADER_FILES";