diff --git a/PCLib/PCBrowserController.m b/PCLib/PCBrowserController.m
index f5bc647..b3776b7 100644
--- a/PCLib/PCBrowserController.m
+++ b/PCLib/PCBrowserController.m
@@ -56,7 +56,9 @@ NSString *FileShouldOpenNotification = @"FileShouldOpenNotification";
     NSString *category = [[[browser path] componentsSeparatedByString:@"/"] objectAtIndex:1];
     NSString *k = [[project rootCategories] objectForKey:category];
 
-    if ([k isEqualToString:PCClasses] || [k isEqualToString:PCHeaders] || [k isEqualToString:PCOtherSources]) {
+    if ([k isEqualToString:PCClasses] || 
+	[k isEqualToString:PCHeaders] || 
+	[k isEqualToString:PCOtherSources]) {
       NSString *projectPath = [project projectPath];
       NSString *fn = [self nameOfSelectedFile];
       NSString *file = [projectPath stringByAppendingPathComponent:fn];
@@ -65,6 +67,16 @@ NSString *FileShouldOpenNotification = @"FileShouldOpenNotification";
       
       [[NSNotificationCenter defaultCenter] postNotificationName:FileShouldOpenNotification object:self userInfo:ui];
     }
+    else {
+      NSString *fi;
+      NSString *sf = [self nameOfSelectedFile];
+
+      fi = [[project projectPath] stringByAppendingPathComponent:sf];
+
+      if([[NSWorkspace sharedWorkspace] openFile:fi] == NO) {
+	NSRunAlertPanel(@"Attention!",@"Could not open %@.",@"OK",nil,nil,fi);
+      }
+    }
   }
   else {
     [[PCFileManager fileManager] showAddFileWindow];