diff --git a/ext/config.m4 b/ext/config.m4
index e4357e6..6606d9d 100644
--- a/ext/config.m4
+++ b/ext/config.m4
@@ -77,6 +77,9 @@ if test $PHP_MAXMINDDB != "no"; then
         CFLAGS="$CFLAGS -fvisibility=hidden -UHAVE_CONFIG_H -DHAVE_CONFIG_H=0 -DMMDB_UINT128_USING_MODE=0 -DMMDB_UINT128_IS_BYTE_ARRAY=1"
 
         maxminddb_sources="$maxminddb_sources libmaxminddb/src/maxminddb.c libmaxminddb/src/data-pool.c"
+
+        AC_DEFINE([HAVE_LIBMAXMINDDB_BUNDLED], [1], [Use bundled or system libmaxminddb])
+        PHP_SUBST([HAVE_LIBMAXMINDDB_BUNDLED])
     else
         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 
diff --git a/ext/maxminddb.c b/ext/maxminddb.c
index 849b00e..2068de7 100644
--- a/ext/maxminddb.c
+++ b/ext/maxminddb.c
@@ -798,7 +798,11 @@ static PHP_MINFO_FUNCTION(maxminddb) {
     php_info_print_table_row(
         2, "maxminddb extension version", PHP_MAXMINDDB_VERSION);
     php_info_print_table_row(
-        2, "libmaxminddb library version", MMDB_lib_version());
+#ifdef HAVE_LIBMAXMINDDB_BUNDLED
+        2, "libmaxminddb bundled library version", MMDB_lib_version());
+#else
+        2, "libmaxminddb system library version", MMDB_lib_version());
+#endif
 
     php_info_print_table_end();
 }