diff --git a/gm82joy.c b/gm82joy.c
index 7654d99..407f675 100644
--- a/gm82joy.c
+++ b/gm82joy.c
@@ -227,3 +227,7 @@ GMREAL joy_ball_y(double id, double ball) {
 	}
 	return 0;
 }
+
+GMREAL joy_rumble(double id, double strength, double len) {
+	return SDL_JoystickRumble(sticks[(int)id], (Uint16)(int)strength, (Uint16)(int)strength, (Uint32)(int)len);
+}
diff --git a/gm82joy.gej b/gm82joy.gej
index a489e79..ccb3c04 100644
--- a/gm82joy.gej
+++ b/gm82joy.gej
@@ -336,6 +336,19 @@
 					],
 					"returntype": 2
 				},
+				{
+					"name": "joystick_rumble",
+					"extname": "",
+					"calltype": 2,
+					"helpline": "",
+					"hidden": false,
+					"argtypes": [
+						2,
+						2,
+						2
+					],
+					"returntype": 2
+				},
 				{
 					"name": "__gm82joy_call",
 					"extname": "",
@@ -427,4 +440,4 @@
 			"constants": []
 		}
 	]
-}
\ No newline at end of file
+}
diff --git a/gm82joy.gml b/gm82joy.gml
index bfbcd8d..46f2710 100644
--- a/gm82joy.gml
+++ b/gm82joy.gml
@@ -83,6 +83,7 @@
     __gm82joy_define("joy_hat_y"    ,ty_real,ty_real)
     __gm82joy_define("joy_ball_x"   ,ty_real,ty_real)
     __gm82joy_define("joy_ball_y"   ,ty_real,ty_real)
+    __gm82joy_define("joy_rumble"   ,ty_real,ty_real,ty_real)
     
     __gm82joy_call("joy_init")
     
@@ -385,3 +386,13 @@
     return __gm82joy_deadzone(__gm82joy_call("joy_axis",argument0,5))
 
  
+#define joystick_rumble
+    ///joystick_rumble(id,strength,len)
+    //id: joystick (0-31)
+    //strength: rumble strength (0-0xFFFF)
+    //len: length of rumble, in milliseconds (Uint32 ms)
+    //returns: 0 if rumble is supported by controller, otherwise -1.
+    //*rumble is joystick's vibration. Useful for making an atmosphere.
+    return __gm82joy_call("joy_rumble",argument0,argument1,argument2)
+//
+//
\ No newline at end of file