diff --git a/libs/video/targets/pr_keys.c b/libs/video/targets/pr_keys.c
index 9c1b83927..d9dd7d405 100644
--- a/libs/video/targets/pr_keys.c
+++ b/libs/video/targets/pr_keys.c
@@ -143,12 +143,19 @@ bi_Key_KeynumToString (progs_t *pr)
 	RETURN_STRING (pr, Key_KeynumToString (keynum));
 };
 
+static void
+bi_Key_StringToKeynum (progs_t *pr)
+{
+	const char *keyname = P_GSTRING (pr, 0);
+	R_INT (pr) = Key_StringToKeynum (keyname);
+}
+
 static builtin_t builtins[] = {
 	{"Key_SetBinding",		bi_Key_SetBinding,		-1},
 	{"Key_LookupBinding",	bi_Key_LookupBinding,	-1},
 	{"Key_CountBinding",	bi_Key_CountBinding,	-1},
 	{"Key_KeynumToString",	bi_Key_KeynumToString,	-1},
-// NEED THIS ?//	{"Key_StringToKeynum",	bi_Key_KeynumToString,	-1},
+	{"Key_StringToKeynum",	bi_Key_StringToKeynum,	-1},
 	{0}
 };