diff --git a/bacnet-stack/address.c b/bacnet-stack/address.c
index 6812a167..cd4d3163 100644
--- a/bacnet-stack/address.c
+++ b/bacnet-stack/address.c
@@ -204,12 +204,7 @@ unsigned address_count(void)
   return count;
 }
 
-#ifdef TEST
-#include <assert.h>
-#include <string.h>
-#include "ctest.h"
-
-static bool address_match(
+bool address_match(
   BACNET_ADDRESS *dest,
   BACNET_ADDRESS *src)
 {
@@ -243,6 +238,11 @@ static bool address_match(
   return match;
 }
 
+#ifdef TEST
+#include <assert.h>
+#include <string.h>
+#include "ctest.h"
+
 static void set_address(
   unsigned index,
   BACNET_ADDRESS *dest)
diff --git a/bacnet-stack/address.h b/bacnet-stack/address.h
index 21f1f7b9..5fda75b4 100644
--- a/bacnet-stack/address.h
+++ b/bacnet-stack/address.h
@@ -66,4 +66,8 @@ bool address_get_by_index(
 
 unsigned address_count(void);
 
+bool address_match(
+  BACNET_ADDRESS *dest,
+  BACNET_ADDRESS *src);
+
 #endif