diff --git a/SAFT_TOFI/src/processAScans.cpp b/SAFT_TOFI/src/processAScans.cpp
index 220ebe0..7c368b1 100644
--- a/SAFT_TOFI/src/processAScans.cpp
+++ b/SAFT_TOFI/src/processAScans.cpp
@@ -1726,11 +1726,11 @@ void SAFTHandler::processAScans(
 
 		auto stopPerformCoreReconstruction = std::chrono::steady_clock::now();
 		diff_time = std::chrono::duration_cast<std::chrono::microseconds>(stopPerformCoreReconstruction - startPerformCoreReconstruction).count();		// total duration in µs
-		// #ifdef debug_OutputStepsPerformance
+		#ifdef debug_OutputStepsPerformance
 			printf ("########################################################################\n");
 			printf ("### GPU (%18s: HW-ID %i, Idx %i) ### PerformCoreReconstruction = duration:	%8.0f µs \n", deviceProperties[deviceId].name, deviceId, deviceIndex, diff_time);
 			printf ("########################################################################\n");
-		// #endif
+		#endif
 
 		duration = (ullong)diff_time;