diff --git a/sourcemod/gamedata/collisionhook.txt b/sourcemod/gamedata/collisionhook.txt
index 7ab6eaf..96af269 100644
--- a/sourcemod/gamedata/collisionhook.txt
+++ b/sourcemod/gamedata/collisionhook.txt
@@ -16,6 +16,17 @@
 			}
 		}
 	}
+	
+	"cstrike"
+	{
+		"Signatures"
+		{
+			"PassServerEntityFilter"
+			{
+				"windows"    "\x55\x8B\xEC\x56\x8B\x2A\x2A\x85\x2A\x75\x2A\xB0\x2A\x5E"
+			}
+		}
+	}
 
 	"csgo"
 	{
diff --git a/sourcemod/scripting/include/collisionhook.inc b/sourcemod/scripting/include/collisionhook.inc
index def17c3..173bd6b 100644
--- a/sourcemod/scripting/include/collisionhook.inc
+++ b/sourcemod/scripting/include/collisionhook.inc
@@ -1,34 +1,30 @@
-
-#if defined _collisionhook_included
- #endinput
-#endif
-#define _collisionhook_included
-
-
-// called when the game is performing vphysics collision checks between entities
-// return something other than Plugin_Continue to have the game use the result parameter
-forward Action:CH_ShouldCollide( ent1, ent2, &bool:result );
-
-// called when the game performs collision checks through traces (only for traces using filters)
-// return something other than Plugin_Continue to have the game use the result parameter
-// note: any code in this forward should be very performant, the game will use many filtered traces per player per game frame
-forward Action:CH_PassFilter( ent1, ent2, &bool:result );
-
-
-public Extension:__ext_collisionhook = 
-{
-	name = "CollisionHook",
-	file = "collisionhook.ext",
-	
-#if defined AUTOLOAD_EXTENSIONS
-	autoload = 1,
-#else
-	autoload = 0,
-#endif
-#if defined REQUIRE_EXTENSIONS
-	required = 1,
-#else
-	required = 0,
-#endif
-	
-};
+#if defined _collisionhook_included
+	#endinput
+#endif
+#define _collisionhook_included
+
+// called when the game is performing vphysics collision checks between entities
+// return something other than Plugin_Continue to have the game use the result parameter
+forward Action CH_ShouldCollide(int ent1, int ent2, bool &result);
+
+// called when the game performs collision checks through traces (only for traces using filters)
+// return something other than Plugin_Continue to have the game use the result parameter
+// note: any code in this forward should be very performant, the game will use many filtered traces per player per game frame
+forward Action CH_PassFilter(int ent1, int ent2, bool &result);
+
+public Extension __ext_collisionhook =
+{
+	name = "CollisionHook",
+	file = "collisionhook.ext",
+
+#if defined AUTOLOAD_EXTENSIONS
+	autoload = 1,
+#else
+	autoload = 0,
+#endif
+#if defined REQUIRE_EXTENSIONS
+	required = 1,
+#else
+	required = 0,
+#endif
+};