diff --git a/cl_dll/com_weapons.cpp b/cl_dll/com_weapons.cpp
index 05c8bdf9..198c533a 100644
--- a/cl_dll/com_weapons.cpp
+++ b/cl_dll/com_weapons.cpp
@@ -127,7 +127,7 @@ Directly queue up an event on the client
 =====================
 */
 void HUD_PlaybackEvent( int flags, const edict_t *pInvoker, unsigned short eventindex, float delay,
-	float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 )
+	const float *origin, const float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 )
 {
 	vec3_t org;
 	vec3_t ang;
diff --git a/cl_dll/com_weapons.h b/cl_dll/com_weapons.h
index efe06ad6..89fb3cfe 100644
--- a/cl_dll/com_weapons.h
+++ b/cl_dll/com_weapons.h
@@ -27,7 +27,7 @@ int				UTIL_SharedRandomLong( unsigned int seed, int low, int high );
 int				HUD_GetWeaponAnim( void );
 void			HUD_SendWeaponAnim( int iAnim, int body, int force );
 void			HUD_PlaySound( const char *sound, float volume );
-void			HUD_PlaybackEvent( int flags, const struct edict_s *pInvoker, unsigned short eventindex, float delay, float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
+void			HUD_PlaybackEvent( int flags, const struct edict_s *pInvoker, unsigned short eventindex, float delay, const float *origin, const float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
 void			HUD_SetMaxSpeed( const struct edict_s *ed, float speed );
 int				stub_PrecacheModel( const char* s );
 int				stub_PrecacheSound( const char* s );