diff --git a/Device/Detector/IDetector.cpp b/Device/Detector/IDetector.cpp
index fcb481f84b4d0c6aaec9086c8ad979a6aa67d5fa..6b3fbdc6e8c40fb3060129d54118114a0927fc1a 100644
--- a/Device/Detector/IDetector.cpp
+++ b/Device/Detector/IDetector.cpp
@@ -235,7 +235,7 @@ void IDetector::addMask(const IShape2D& shape, bool mask_value)
 
 void IDetector::addBinMask(const IShape2D& shape, bool mask_value)
 {
-	m_mask->maskToStack(shape, mask_value, true);
+    m_mask->maskToStack(shape, mask_value, true);
 }
 
 void IDetector::maskAll()