diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index 788f26a2620d1411982eb93540765f5c77a4ac44..aa865ff9b4035c263fee884ecdf7b7c34ee57765 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -202,7 +202,7 @@ class TDDnode:
             if ("taosd" in files):
                 rootRealPath = os.path.dirname(os.path.realpath(root))
                 if ("packaging" not in rootRealPath):
-                    buildPath = root[:root.find("build")]
+                    buildPath = root[:len(root)-len("/build/bin")]
                     break
         return buildPath