diff --git a/MAC/Services/src/PipelineControl.py b/MAC/Services/src/PipelineControl.py
index d93d9ef69b35683aa4494da0ea7f46b1949d37fd..7182c09c067ff31e46224b9954666c9099af48af 100755
--- a/MAC/Services/src/PipelineControl.py
+++ b/MAC/Services/src/PipelineControl.py
@@ -93,7 +93,7 @@ DEFAULT_NUMBER_OF_CORES_PER_TASK = 2
 NUMBER_OF_NODES = 40
 NUMBER_OF_CORES_PER_NODE = 24
 # We /4 because we can then run 4 pipelines, and -2 to reserve cores for TBBwriter
-DEFAULT_NUMBER_OF_TASKS = (NUMBER_OF_NODES / 4) * (NUMBER_OF_CORES_PER_NODE - 2) / DEFAULT_NUMBER_OF_CORES_PER_TASK
+DEFAULT_NUMBER_OF_TASKS = (NUMBER_OF_NODES // 4) * (NUMBER_OF_CORES_PER_NODE - 2) // DEFAULT_NUMBER_OF_CORES_PER_TASK
 
 def runCommand(cmdline, input=None):
   logger.info("runCommand starting: %s", cmdline)