diff --git a/engine/api.py b/engine/api.py
index e099bc7..79ff5b3 100644
--- a/engine/api.py
+++ b/engine/api.py
@@ -417,8 +417,6 @@ def setTrackPatternLengthMultiplicator(trackId, newMultiplicator:int):
     callbacks._patternLengthMultiplicatorChanged(track)
     callbacks._patternChanged(track)
 
-
-
 #Track Switches
 
 def setSwitches(trackId, setOfPositions, newBool):
diff --git a/engine/pattern.py b/engine/pattern.py
index 184be9b..c466983 100644
--- a/engine/pattern.py
+++ b/engine/pattern.py
@@ -121,7 +121,7 @@ class Pattern(object):
         l = len(self.scale)
         lst = []
         vel = self.averageVelocity
-        for index in range(self.parentTrack.parentData.howManyUnits):
+        for index in range(self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator):
             for pitchindex in range(l):
                 lst.append({"index":index, "factor": 1, "pitch": pitchindex, "velocity":vel})
         self.data = lst
@@ -134,7 +134,7 @@ class Pattern(object):
         lst = []
         existing = [(d["index"], d["pitch"]) for d in self.data]
         vel = self.averageVelocity
-        for index in range(self.parentTrack.parentData.howManyUnits):
+        for index in range(self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator):
             for pitchindex in range(l):
                 if not (index, pitchindex) in existing:
                     lst.append({"index":index, "factor": 1, "pitch": pitchindex, "velocity":vel})
@@ -163,14 +163,14 @@ class Pattern(object):
         existingSteps = self.getRow(pitchindex)
         existingIndices = set(s["index"] for s in existingSteps)
 
-        result = [False] * self.parentTrack.parentData.howManyUnits
+        result = [False] * self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator
         for i in existingIndices:
             result[i] = True
         return result
 
     def _getRowWithNoneFillers(self, pitchindex):
         existingSteps = self.getRow(pitchindex)
-        result = [None] * self.parentTrack.parentData.howManyUnits
+        result = [None] * self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator
         for st in existingSteps:
             result[st["index"]] = st
         return result
@@ -183,7 +183,7 @@ class Pattern(object):
         vel = self.averageVelocity
         rowAsBools = self._rowAsBooleans(pitchindex)
         toRepeatChunk = rowAsBools[:stepIndex+1]
-        numberOfRepeats, rest = divmod(self.parentTrack.parentData.howManyUnits, stepIndex+1)
+        numberOfRepeats, rest = divmod(self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator, stepIndex+1)
         index = 0
 
         newRow = []
@@ -201,7 +201,7 @@ class Pattern(object):
         """
         originalRow = self._getRowWithNoneFillers(pitchindex)
         toRepeatChunk = originalRow[:stepIndex+1]
-        numberOfRepeats, rest = divmod(self.parentTrack.parentData.howManyUnits, stepIndex+1)
+        numberOfRepeats, rest = divmod(self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator, stepIndex+1)
         newRow = []
         for i in range(numberOfRepeats):
             for st in toRepeatChunk:
@@ -219,7 +219,7 @@ class Pattern(object):
         for step in existingSteps:
             self.data.remove(step)
 
-        for index in range(self.parentTrack.parentData.howManyUnits):
+        for index in range(self.parentTrack.parentData.howManyUnits * self.parentTrack.patternLengthMultiplicator):
             if not index in existingIndices:
                 self.data.append({"index":index, "factor": 1, "pitch": pitchindex, "velocity":vel})