diff --git a/Ccore/shape.py b/Ccore/shape.py
index a0de461210202c7f90c345bd0f1d85f841c1d2ff..93d2d7dabb845e2de375873bc58e06a602f67347 100644
--- a/Ccore/shape.py
+++ b/Ccore/shape.py
@@ -155,7 +155,7 @@ maxChange = c.defineNumber('Optimization/01Max change', value=1.0e-3,  visible=(
 if index >= 0: # parameter sweep and optimisation over one selected design parameter
     x[0] = designParameters[index][:] # make a copy
     test(int(c.getNumber('Optimization/Steps in range')))
- else: # optimisation over full parameter space
+else: # optimisation over full parameter space
     x = designParameters.copy()
 
 # initial value of the variables in the design space,