diff --git a/scantron.py b/scantron.py
index 6155875..e97d8ac 100755
--- a/scantron.py
+++ b/scantron.py
@@ -141,11 +141,18 @@ def add_sheet(self, data, match=1, position=1):
 
 
     def populate(self, data, matches=1, collate='on'):
-        for match in range(1, matches + 1):
+        if collate == 'on':
+            for match in range(1, matches + 1):
+                for position in range(1, 7):
+                    self.add_sheet(data, match, position)
+                    self._canvas.showPage()
+                    self._reset_values()
+        else:
             for position in range(1, 7):
-                self.add_sheet(data, match, position)
-                self._canvas.showPage()
-                self._reset_values()
+                for match in range(1, matches + 1):
+                    self.add_sheet(data, match, position)
+                    self._canvas.showPage()
+                    self._reset_values()
 
 
     def save(self):