diff --git a/src/sdl/i_system.cpp b/src/sdl/i_system.cpp
index fd33b0f89..342125e28 100644
--- a/src/sdl/i_system.cpp
+++ b/src/sdl/i_system.cpp
@@ -2125,7 +2125,7 @@ FUNCIERROR void ATTRNORETURN I_Error(const char *error, ...)
 	W_Shutdown();
 
 #if defined (PARANOIA) || defined (DEVELOP)
-	*(INT32 *)0 = 4; //Alam: Debug!
+	*(volatile INT32 *)0 = 4; //Alam: Debug!
 #endif
 
 	exit(-1);