diff --git a/include/h.h b/include/h.h
index 522e6a722..05e466906 100644
--- a/include/h.h
+++ b/include/h.h
@@ -1029,6 +1029,7 @@ extern NameValuePrioList *find_nvplist(NameValuePrioList *list, char *name);
 extern void free_nvplist(NameValuePrioList *lst);
 extern char *get_connect_extinfo(Client *client);
 extern char *unreal_strftime(char *str);
+extern void strtolower_safe(char *dst, char *src, int size);
 /* src/unrealdb.c start */
 extern UnrealDB *unrealdb_open(const char *filename, UnrealDBMode mode, char *secret_block);
 extern int unrealdb_close(UnrealDB *c);
diff --git a/src/modules/antirandom.c b/src/modules/antirandom.c
index 176351c59..8522f3681 100644
--- a/src/modules/antirandom.c
+++ b/src/modules/antirandom.c
@@ -858,20 +858,6 @@ static int internal_getscore(char *str)
 	return score;
 }
 
-void strtolower_safe(char *dst, char *src, int size)
-{
-	if (!size)
-		return; /* size of 0 is unworkable */
-	size--; /* for \0 */
-	
-	for (; *src && size; src++)
-	{
-		*dst++ = tolower(*src);
-		size--;
-	}
-	*dst = '\0';
-}
-
 /** Returns "spam score".
  * @note a user is expected, do not call for anything else (eg: servers)
  */
diff --git a/src/support.c b/src/support.c
index a8eb54a76..6207d938a 100644
--- a/src/support.c
+++ b/src/support.c
@@ -1335,3 +1335,18 @@ char *unreal_strftime(char *str)
 		return str;
 	return buf;
 }
+
+/** Convert a string to lowercase */
+void strtolower_safe(char *dst, char *src, int size)
+{
+	if (!size)
+		return; /* size of 0 is unworkable */
+	size--; /* for \0 */
+
+	for (; *src && size; src++)
+	{
+		*dst++ = tolower(*src);
+		size--;
+	}
+	*dst = '\0';
+}