diff --git a/src/cunumeric/index/putmask_template.inl b/src/cunumeric/index/putmask_template.inl
index 3a85d2044..60ce6af0e 100644
--- a/src/cunumeric/index/putmask_template.inl
+++ b/src/cunumeric/index/putmask_template.inl
@@ -105,7 +105,8 @@ static void putmask_template(TaskContext& context)
 {
   auto& inputs = context.inputs();
   PutmaskArgs args{context.outputs()[0], inputs[1], inputs[2]};
-  double_dispatch(args.input.dim(), args.input.code(), PutmaskImpl<KIND>{}, args);
+  int dim = std::max(1, args.input.dim());
+  double_dispatch(dim, args.input.code(), PutmaskImpl<KIND>{}, args);
 }
 
 }  // namespace cunumeric
diff --git a/tests/integration/test_putmask.py b/tests/integration/test_putmask.py
index a59c40aba..91d6b7e90 100644
--- a/tests/integration/test_putmask.py
+++ b/tests/integration/test_putmask.py
@@ -67,6 +67,12 @@ def test_scalar():
     num.putmask(x_num, mask_num, values_num[:1])
     assert np.array_equal(x_num, x)
 
+    # the case when every input is a scalar
+    x = num.random.rand(3, 3)
+    s = x.sum()
+    num.putmask(s, True, 1.0)
+    assert s == 1.0
+
 
 def test_type_convert():
     x = mk_seq_array(np, (3, 4, 5))