diff --git a/src/imports/avs.h b/src/imports/avs.h
index 8e346eb..77ff0ce 100644
--- a/src/imports/avs.h
+++ b/src/imports/avs.h
@@ -230,4 +230,6 @@ int avs_fs_addfs(void *filesys_struct);
 int avs_fs_mount(
     const char *mountpoint, const char *fsroot, const char *fstype, void *data);
 
+bool avs_is_active();
+
 #endif
diff --git a/src/imports/import_64_1700_avs.def b/src/imports/import_64_1700_avs.def
index d8944d9..fe8cc6e 100644
--- a/src/imports/import_64_1700_avs.def
+++ b/src/imports/import_64_1700_avs.def
@@ -23,6 +23,7 @@ EXPORTS
     std_setenv @213 NONAME
     avs_boot @298 NONAME
     avs_shutdown @299 NONAME
+    avs_is_active @302 NONAME
     log_body_fatal @379 NONAME
     log_body_warning @380 NONAME
     log_body_info @381 NONAME