diff --git a/src/transmissionReconstruction/detection/detection.cpp b/src/transmissionReconstruction/detection/detection.cpp
index ee3e0b8..c8bd80d 100644
--- a/src/transmissionReconstruction/detection/detection.cpp
+++ b/src/transmissionReconstruction/detection/detection.cpp
@@ -223,7 +223,7 @@ namespace Recon {
         // c(mxl + mxl, $) = c1(mxl, $);
 
         auto shiftInSamples = zeros(1, c1.getDimSize(1));
-        // #pragma omp parallel for
+        #pragma omp parallel for
         for (size_t i = 0; i < c1.getDimSize(1); i++) {
             long rowID = 0, colID = 0;
             max(c($, i).toMatrix(), All, rowID, colID);