diff --git a/src/detection/os/os_linux.c b/src/detection/os/os_linux.c
index e66e1fe62..23b956832 100644
--- a/src/detection/os/os_linux.c
+++ b/src/detection/os/os_linux.c
@@ -240,7 +240,7 @@ FF_MAYBE_UNUSED static bool detectDebianDerived(FFOSResult* result)
         ffStrbufSetStatic(&result->id, "raspbian");
         ffStrbufSetStatic(&result->idLike, "debian");
         ffStrbufSetStatic(&result->name, "Raspberry Pi OS");
-        ffStrbufSetStatic(&result->prettyName, "Raspberry Pi OS");
+        getDebianVersion(result);
         return true;
     }
     else if (ffPathExists("/boot/dietpi/.version", FF_PATHTYPE_FILE))