diff --git a/src/optiondefs.h b/src/optiondefs.h
index ccc527e..96c30e2 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -74,6 +74,7 @@
 #define PV_FP		OPT_BOTH(OPT_BUF(BV_FP))
 #ifdef FEAT_EVAL
 # define PV_FEX		OPT_BUF(BV_FEX)
+# define PV_FEXPR	OPT_BOTH(OPT_BUF(BV_FEXPR))
 #endif
 #define PV_FF		OPT_BUF(BV_FF)
 #define PV_FLP		OPT_BUF(BV_FLP)
@@ -958,6 +959,15 @@
 			    {(char_u *)"vert:|,fold:-,eob:~,lastline:@",
 								  (char_u *)0L}
 			    SCTX_INIT},
+    {"findexpr",   "fexpr", P_STRING|P_ALLOCED|P_VI_DEF|P_VIM|P_SECURE,
+#if defined(FEAT_EVAL)
+			    (char_u *)&p_fexpr, PV_FEXPR, did_set_optexpr, NULL,
+			    {(char_u *)"", (char_u *)0L}
+#else
+			    (char_u *)NULL, PV_NONE, NULL, NULL,
+			    {(char_u *)0L, (char_u *)0L}
+#endif
+			    SCTX_INIT},
     {"fixendofline",  "fixeol", P_BOOL|P_VI_DEF|P_RSTAT,
 			    (char_u *)&p_fixeol, PV_FIXEOL,
 			    did_set_eof_eol_fixeol_bomb, NULL,