diff --git a/pandas/core/common.py b/pandas/core/common.py
index 28bae362a3411..23175475d29e9 100644
--- a/pandas/core/common.py
+++ b/pandas/core/common.py
@@ -1194,7 +1194,7 @@ def _try_timedelta(v):
             try:
                 return to_timedelta(v)._values.reshape(shape)
             except:
-                return v
+                return v.reshape(shape)
 
         # do a quick inference for perf
         sample = v[:min(3, len(v))]