diff --git a/src/spells/regioncurse.c b/src/spells/regioncurse.c
index cdce6ceb4..91cd0a713 100644
--- a/src/spells/regioncurse.c
+++ b/src/spells/regioncurse.c
@@ -148,12 +148,13 @@ static struct curse_type ct_farvision = {
 
 /* --------------------------------------------------------------------- */
 
+#ifdef ENABLE_FOGTRAP_CURSE
 const struct curse_type ct_fogtrap = {
     "fogtrap",
     CURSETYP_NORM, 0, (M_DURATION | M_VIGOUR),
     cinfo_simple
 };
-
+#endif
 const struct curse_type ct_maelstrom = {
     "maelstrom",
     CURSETYP_NORM, 0, (M_DURATION | M_VIGOUR),
@@ -258,7 +259,9 @@ const struct curse_type ct_healing = {
 
 void register_regioncurse(void)
 {
+#ifdef ENABLE_FOGTRAP_CURSE
     ct_register(&ct_fogtrap);
+#endif
     ct_register(&ct_antimagiczone);
     ct_register(&ct_farvision);
     ct_register(&ct_gbdream);
diff --git a/src/spells/regioncurse.h b/src/spells/regioncurse.h
index 14e07afc4..acda153c2 100644
--- a/src/spells/regioncurse.h
+++ b/src/spells/regioncurse.h
@@ -13,12 +13,14 @@ extern const struct curse_type ct_astralblock;
 extern const struct curse_type ct_badmagicresistancezone;
 extern const struct curse_type ct_goodmagicresistancezone;
 extern const struct curse_type ct_holyground;
-extern const struct curse_type ct_fogtrap;
 extern const struct curse_type ct_magicstreet;
 extern const struct curse_type ct_maelstrom;
 extern const struct curse_type ct_riotzone;
 extern const struct curse_type ct_generous;
 extern const struct curse_type ct_badlearn;
+#ifdef ENABLE_FOGTRAP_CURSE
+extern const struct curse_type ct_fogtrap;
+#endif
 
 struct region;