diff --git a/source/sw/src/game.cpp b/source/sw/src/game.cpp
index 500d0a689..8c644ea20 100644
--- a/source/sw/src/game.cpp
+++ b/source/sw/src/game.cpp
@@ -2657,9 +2657,11 @@ void Control()
 
 void _Assert(const char *expr, const char *strFile, unsigned uLine)
 {
-    sprintf(ds, "Assertion failed: %s %s, line %u", expr, strFile, uLine);
-    MONO_PRINT(ds);
+    buildprintf(ds, "Assertion failed: %s %s, line %u", expr, strFile, uLine);
+    debug_break();
+
     TerminateGame();
+
 #if 1 //def RENDERTYPEWIN
     wm_msgbox(apptitle, "%s", ds);
 #else