diff --git a/src/kernel/region.c b/src/kernel/region.c
index 4b26cf8c9..aa4c86425 100644
--- a/src/kernel/region.c
+++ b/src/kernel/region.c
@@ -635,12 +635,12 @@ void rsetmoney(region * r, int value)
         assert(value == 0);
 }
 
-short rherbs(const struct region *r)
+int rherbs(const struct region *r)
 {
     return r->land?r->land->herbs:0;
 }
 
-void rsetherbs(const struct region *r, short value)
+void rsetherbs(const struct region *r, int value)
 {
     if (r->land) {
         assert(value >= 0);
diff --git a/src/kernel/region.h b/src/kernel/region.h
index 61235d5b2..5974fd96c 100644
--- a/src/kernel/region.h
+++ b/src/kernel/region.h
@@ -201,8 +201,8 @@ extern "C" {
     int rhorses(const struct region *r);
     void rsethorses(const struct region *r, int value);
 
-    short rherbs(const struct region *r);
-    void rsetherbs(const struct region *r, short value);
+    int rherbs(const struct region *r);
+    void rsetherbs(const struct region *r, int value);
 
 #define rbuildings(r) ((r)->buildings)