diff --git a/src/keymap.h b/src/keymap.h
index 8ec0093..4706dfe 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -411,6 +411,7 @@
 #define K_DEC_MOUSE	TERMCAP2KEY(KS_DEC_MOUSE, KE_FILLER)
 #define K_JSBTERM_MOUSE	TERMCAP2KEY(KS_JSBTERM_MOUSE, KE_FILLER)
 #define K_PTERM_MOUSE	TERMCAP2KEY(KS_PTERM_MOUSE, KE_FILLER)
+#define K_URXVT_MOUSE	TERMCAP2KEY(KS_URXVT_MOUSE, KE_FILLER)
 
 #define K_SELECT	TERMCAP2KEY(KS_SELECT, KE_FILLER)
 #define K_TEAROFF	TERMCAP2KEY(KS_TEAROFF, KE_FILLER)
diff --git a/src/misc2.c b/src/misc2.c
index 22d1fb4..00d1ff4 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -2416,10 +2416,21 @@
     {'<',		(char_u *)"lt"},
 
     {K_MOUSE,		(char_u *)"Mouse"},
+#ifdef FEAT_MOUSE_NET
     {K_NETTERM_MOUSE,	(char_u *)"NetMouse"},
+#endif
+#ifdef FEAT_MOUSE_DEC
     {K_DEC_MOUSE,	(char_u *)"DecMouse"},
+#endif
+#ifdef FEAT_MOUSE_JSB
     {K_JSBTERM_MOUSE,	(char_u *)"JsbMouse"},
+#endif
+#ifdef FEAT_MOUSE_PTERM
     {K_PTERM_MOUSE,	(char_u *)"PtermMouse"},
+#endif
+#ifdef FEAT_MOUSE_URXVT
+    {K_URXVT_MOUSE,	(char_u *)"UrxvtMouse"},
+#endif
     {K_LEFTMOUSE,	(char_u *)"LeftMouse"},
     {K_LEFTMOUSE_NM,	(char_u *)"LeftMouseNM"},
     {K_LEFTDRAG,	(char_u *)"LeftDrag"},
diff --git a/src/term.c b/src/term.c
index f40d39a..93d325e 100644
--- a/src/term.c
+++ b/src/term.c
@@ -5252,12 +5252,12 @@
     char_u	*src;
 {
     int		i;
-    int		slen;
+    int		slen = STRLEN(src);
 
     for (i = 0; i < tc_len; ++i)
     {
-	slen = termcodes[i].len;
-	if (slen > 1 && STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
+	if (slen == termcodes[i].len
+			&& STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
 	    return i;
     }
     return -1;
diff --git a/src/version.c b/src/version.c
index e2a2fa2..73bb3ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    405,
+/**/
     404,
 /**/
     403,