diff --git a/docs/keys.md b/docs/keys.md
index 2a114d3..1d5aaa6 100644
--- a/docs/keys.md
+++ b/docs/keys.md
@@ -47,6 +47,8 @@
 	"command"
 	"alt"
 	"ctrl"
+	"lctrl"
+	"rctrl"
 	"control"
 	"shift"
 	"capslock"
diff --git a/key/goKey.h b/key/goKey.h
index 5de67d1..d07faf9 100644
--- a/key/goKey.h
+++ b/key/goKey.h
@@ -65,6 +65,8 @@ struct KeyNames{
 	{ "command",        K_META },
 	{ "alt",            K_ALT },
 	{ "ctrl",           K_CONTROL },
+	{ "lctrl",          K_LCONTROL },
+	{ "rctrl",          K_RCONTROL },
 	{ "control",        K_CONTROL },
 	{ "shift",          K_SHIFT },
 	{ "capslock",       K_CAPSLOCK },
@@ -164,7 +166,8 @@ int CheckKeyFlags(char* f, MMKeyFlags* flags){
 	else if( strcmp(f, "command") == 0 || strcmp(f, "cmd") == 0 ) {
 		*flags = MOD_META;
 	}
-	else if( strcmp(f, "control") == 0 || strcmp(f, "ctrl") == 0 ) {
+	else if( strcmp(f, "control") == 0 || strcmp(f, "ctrl") == 0 ||
+	 strcmp(f, "rctrl") == 0 || strcmp(f, "lctrl") == 0 ) {
 		*flags = MOD_CONTROL;
 	}
 	else if( strcmp(f, "shift") == 0 ) {