diff --git a/src/ctbin/ctbin.cpp b/src/ctbin/ctbin.cpp
index 9937e35..65d3274 100644
--- a/src/ctbin/ctbin.cpp
+++ b/src/ctbin/ctbin.cpp
@@ -606,7 +606,7 @@ void ctbin::bin_events(GCTAObservation* obs)
             // Determine sky pixel
             GCTAInstDir* inst  = (GCTAInstDir*)&(event->dir());
             GSkyDir      dir   = inst->dir();
-            GSkyPixel    pixel = map.dir2xy(dir);
+            GSkyPixel    pixel = map.dir2pix(dir);
 
             // Skip if pixel is out of range
             if (pixel.x() < -0.5 || pixel.x() > (m_nxpix-0.5) ||
diff --git a/src/ctskymap/ctskymap.cpp b/src/ctskymap/ctskymap.cpp
index dd30ada..68d6b7e 100644
--- a/src/ctskymap/ctskymap.cpp
+++ b/src/ctskymap/ctskymap.cpp
@@ -493,7 +493,7 @@ void ctskymap::map_events(GCTAObservation* obs)
             // Determine sky pixel
             GCTAInstDir* inst  = (GCTAInstDir*)&(event->dir());
             GSkyDir      dir   = inst->dir();
-            GSkyPixel    pixel = m_skymap.dir2xy(dir);
+            GSkyPixel    pixel = m_skymap.dir2pix(dir);
 
             // Skip if pixel is out of range
             if (pixel.x() < -0.5 || pixel.x() > (m_nxpix-0.5) ||