diff --git a/Lib/pdb.py b/Lib/pdb.py
index b7f6fd4323407e..702058ab5d777a 100644
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -1774,6 +1774,9 @@ def _getval(self, arg):
         try:
             return eval(arg, self.curframe.f_globals, self.curframe.f_locals)
         except:
+            if not arg:
+                self.error("Missing argument to command!")
+                raise
             self._error_exc()
             raise
 
diff --git a/Misc/NEWS.d/next/Library/2024-11-18-05-53-52.gh-issue-126944.WQv56W.rst b/Misc/NEWS.d/next/Library/2024-11-18-05-53-52.gh-issue-126944.WQv56W.rst
new file mode 100644
index 00000000000000..55898098081d54
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-11-18-05-53-52.gh-issue-126944.WQv56W.rst
@@ -0,0 +1 @@
+Better error for missing arguments in :mod:`pdb` commands.