diff --git a/src/option.c b/src/option.c
index 0686b85..8b3d8c6 100644
--- a/src/option.c
+++ b/src/option.c
@@ -231,6 +231,9 @@
 #ifdef FEAT_WINDOWS
 # define PV_WFH		OPT_WIN(WV_WFH)
 #endif
+#ifdef FEAT_VERTSPLIT
+# define PV_WFW		OPT_WIN(WV_WFW)
+#endif
 #define PV_WRAP		OPT_WIN(WV_WRAP)
 
 
@@ -2640,6 +2643,13 @@
 			    (char_u *)NULL, PV_NONE,
 #endif
 			    {(char_u *)FALSE, (char_u *)0L}},
+    {"winfixwidth", "wfw", P_BOOL|P_VI_DEF|P_RSTAT,
+#ifdef FEAT_VERTSPLIT
+			    (char_u *)VAR_WIN, PV_WFW,
+#else
+			    (char_u *)NULL, PV_NONE,
+#endif
+			    {(char_u *)FALSE, (char_u *)0L}},
     {"winminheight", "wmh", P_NUM|P_VI_DEF,
 #ifdef FEAT_WINDOWS
 			    (char_u *)&p_wmh, PV_NONE,
@@ -8869,6 +8879,9 @@
 #ifdef FEAT_WINDOWS
 	case PV_WFH:	return (char_u *)&(curwin->w_p_wfh);
 #endif
+#ifdef FEAT_VERTSPLIT
+	case PV_WFW:	return (char_u *)&(curwin->w_p_wfw);
+#endif
 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
 	case PV_PVW:	return (char_u *)&(curwin->w_p_pvw);
 #endif