diff --git a/Framework/Algorithms/src/FFT.cpp b/Framework/Algorithms/src/FFT.cpp
index f8e6db3c74314b67a7c712256543b0733b55e805..1d6f94e2bf38fe60405370cd002df6453f65d240 100644
--- a/Framework/Algorithms/src/FFT.cpp
+++ b/Framework/Algorithms/src/FFT.cpp
@@ -172,7 +172,7 @@ void FFT::exec() {
   // centerShift == true means that the zero on the x axis is assumed to be in
   // the data centre
   // at point with index i = ySize/2. If shift == false the zero is at i = 0
-  bool centerShift = true;
+  const bool centerShift = true;
 
   API::TextAxis *tAxis = new API::TextAxis(nOut);
   int iRe = 0;