diff --git a/Code/FeatureExtraction/otbRadiometricMomentsImageFunction.txx b/Code/FeatureExtraction/otbRadiometricMomentsImageFunction.txx
index 3062f05404054496a2a043c954c8214f40f458c5..866d83afd95384c2593c8677d7ebe1e3e69ac300 100644
--- a/Code/FeatureExtraction/otbRadiometricMomentsImageFunction.txx
+++ b/Code/FeatureExtraction/otbRadiometricMomentsImageFunction.txx
@@ -83,7 +83,7 @@ RadiometricMomentsImageFunction<TInputImage, TCoordRep>
 
   itk::VariableLengthVector<ScalarRealType> tmp(m_Functor(it));
 
-  for (unsigned int i=0; i<4;i++)
+  for (unsigned int i=0; i<4; i++)
     {
     moments[i] = tmp[i];
     }