diff --git a/src/shared/platform/posix/core_fs.c b/src/shared/platform/posix/core_fs.c
index ae37a679..76c2fddd 100644
--- a/src/shared/platform/posix/core_fs.c
+++ b/src/shared/platform/posix/core_fs.c
@@ -110,7 +110,7 @@ static int lsdir(const char *path) {
     }
 
     while ((entry = readdir(dirp)) != NULL) {
-        LOG_INF("Found: %s", entry->d_name);
+        LOG_DBG("Found: %s", entry->d_name);
     }
 
     if (closedir(dirp) < 0) {
diff --git a/src/shared/platform/posix/core_internal.h b/src/shared/platform/posix/core_internal.h
index c3f8f47b..0278daef 100644
--- a/src/shared/platform/posix/core_internal.h
+++ b/src/shared/platform/posix/core_internal.h
@@ -137,7 +137,9 @@ void set_argc(int argc);
 /**
  * @brief Application version string.
  */
+#ifndef APP_VERSION_STRING
 #define APP_VERSION_STRING           "0.0.0-dev"
+#endif /* APP_VERSION_STRING */
 
 /**
  * @brief Default heap buffer size for WAMR (in bytes).