diff --git a/src/ctbin/ctbin.cpp b/src/ctbin/ctbin.cpp
index 71be259..6790f96 100644
--- a/src/ctbin/ctbin.cpp
+++ b/src/ctbin/ctbin.cpp
@@ -529,7 +529,7 @@ void ctbin::bin_events(GCTAObservation* obs)
         int num_in_map       = 0;
 
         // Fill sky map
-        GCTAEventList* events = (GCTAEventList*)obs->events();
+        GCTAEventList* events = static_cast<GCTAEventList*>(const_cast<GEvents*>(obs->events()));
         for (GCTAEventList::iterator event = events->begin(); event != events->end(); ++event) {
 
             // Determine sky pixel
diff --git a/src/ctobssim/ctobssim.cpp b/src/ctobssim/ctobssim.cpp
index c97bbbb..95dbd99 100644
--- a/src/ctobssim/ctobssim.cpp
+++ b/src/ctobssim/ctobssim.cpp
@@ -618,7 +618,7 @@ void ctobssim::simulate_source(GCTAObservation* obs, const GModels& models,
         }
 
         // Get pointer on event list (circumvent const correctness)
-        GCTAEventList* events = (GCTAEventList*)(obs->events());
+        GCTAEventList* events = static_cast<GCTAEventList*>(const_cast<GEvents*>(obs->events()));
 
         // Extract ROI
         GSkyDir dir = events->roi().centre().skydir();
@@ -839,7 +839,7 @@ void ctobssim::simulate_background(GCTAObservation* obs, const GModels& models,
         }
 
         // Get pointer on event list (circumvent const correctness)
-        GCTAEventList* events = (GCTAEventList*)(obs->events());
+        GCTAEventList* events = static_cast<GCTAEventList*>(const_cast<GEvents*>(obs->events()));
 
         // Loop over all models
         for (int i = 0; i < models.size(); ++i) {
diff --git a/src/ctselect/ctselect.cpp b/src/ctselect/ctselect.cpp
index 45ed9e9..ccd8e82 100644
--- a/src/ctselect/ctselect.cpp
+++ b/src/ctselect/ctselect.cpp
@@ -621,7 +621,7 @@ void ctselect::select_events(GCTAObservation* obs, const std::string& filename)
     }
 
     // Get CTA event list pointer
-    GCTAEventList* list = (GCTAEventList*)(obs->events());
+    GCTAEventList* list = static_cast<GCTAEventList*>(const_cast<GEvents*>(obs->events()));
 
     // Set ROI
     GCTARoi     roi;
diff --git a/src/ctskymap/ctskymap.cpp b/src/ctskymap/ctskymap.cpp
index 5ba0161..b30f6a4 100644
--- a/src/ctskymap/ctskymap.cpp
+++ b/src/ctskymap/ctskymap.cpp
@@ -481,7 +481,7 @@ void ctskymap::map_events(GCTAObservation* obs)
         int num_in_map         = 0;
 
         // Fill sky map
-        GCTAEventList* events = (GCTAEventList*)obs->events();
+        GCTAEventList* events = static_cast<GCTAEventList*>(const_cast<GEvents*>(obs->events()));
         for (GCTAEventList::iterator event = events->begin(); event != events->end(); ++event) {
 
             // Skip if energy is out of range