diff --git a/docs/keys.md b/docs/keys.md
index bfb118f..2a3b740 100644
--- a/docs/keys.md
+++ b/docs/keys.md
@@ -55,6 +55,7 @@
 	"rctrl"
 	"control"
 	"shift"
+	"lshift"
 	"rshift"
 	"right_shift"
 	"capslock"
diff --git a/key/goKey.h b/key/goKey.h
index 86147cb..42d0c47 100644
--- a/key/goKey.h
+++ b/key/goKey.h
@@ -73,6 +73,7 @@ struct KeyNames{
 	{ "rctrl",          K_RCONTROL },
 	{ "control",        K_CONTROL },
 	{ "shift",          K_SHIFT },
+	{ "lshift",         K_LSHIFT },
 	{ "rshift",         K_RSHIFT },
 	{ "right_shift",    K_RSHIFT },
 	{ "capslock",       K_CAPSLOCK },
@@ -178,7 +179,7 @@ int CheckKeyFlags(char* f, MMKeyFlags* flags){
 		*flags = MOD_CONTROL;
 	}
 	else if( strcmp(f, "shift") == 0 || strcmp(f, "right_shift") == 0 || 
-		strcmp(f, "rshift") == 0 ) {
+		strcmp(f, "rshift") == 0 || strcmp(f, "lshift") == 0 ) {
 		*flags = MOD_SHIFT;
 	}
 	else if( strcmp(f, "none") == 0 ) {
diff --git a/key/keycode.h b/key/keycode.h
index e114915..bce508b 100644
--- a/key/keycode.h
+++ b/key/keycode.h
@@ -67,6 +67,7 @@ enum _MMKeyCode {
 	K_LCONTROL = kVK_Control,
 	K_RCONTROL = kVK_RightControl,
 	K_SHIFT = kVK_Shift,
+	K_LSHIFT = kVK_Shift,
 	K_RSHIFT = kVK_RightShift,
 	K_CAPSLOCK = kVK_CapsLock,
 	K_SPACE = kVK_Space,
@@ -173,6 +174,7 @@ enum _MMKeyCode {
 	K_LCONTROL = XK_Control_L,
 	K_RCONTROL = XK_Control_R,
 	K_SHIFT = XK_Shift_L,
+	K_LSHIFT = XK_Shift_L,
 	K_RSHIFT = XK_Shift_R,
 	K_CAPSLOCK = XK_Shift_Lock,
 	K_SPACE = XK_space,
@@ -277,6 +279,7 @@ enum _MMKeyCode {
 	K_LCONTROL  = VK_LCONTROL,
 	K_RCONTROL  = VK_RCONTROL,
 	K_SHIFT = VK_SHIFT,
+	K_LSHIFT = VK_LShift,
 	K_RSHIFT = VK_RSHIFT,
 	K_CAPSLOCK = VK_CAPITAL,
 	K_SPACE = VK_SPACE,