diff --git a/disease/diarrhea.arc b/disease/diarrhea.arc
index 19170a05b..14d351832 100644
--- a/disease/diarrhea.arc
+++ b/disease/diarrhea.arc
@@ -27,4 +27,5 @@ type 72
 face icor.111
 food 1
 weight 20
+nrof 1
 end
diff --git a/disease/incontinence.arc b/disease/incontinence.arc
index ab7a40a06..baafb83d1 100644
--- a/disease/incontinence.arc
+++ b/disease/incontinence.arc
@@ -27,4 +27,5 @@ type 72
 face residue.111
 food 1
 weight 20
+nrof 1
 end
diff --git a/disease/leprosy.arc b/disease/leprosy.arc
index ddeae6aff..0329b1043 100644
--- a/disease/leprosy.arc
+++ b/disease/leprosy.arc
@@ -36,4 +36,5 @@ face skin.111
 type 72
 food 5
 weight 7
+nrof 1
 end
diff --git a/disease/rabies.arc b/disease/rabies.arc
index 3497d8234..8aedae9d4 100644
--- a/disease/rabies.arc
+++ b/disease/rabies.arc
@@ -35,4 +35,5 @@ face residue.111
 type 72
 food 2
 weight 2
+nrof 1
 end