diff --git a/src_test/ppx_deriving/errors/run.t b/src_test/ppx_deriving/errors/run.t
index a59764f..b4e2f4c 100644
--- a/src_test/ppx_deriving/errors/run.t
+++ b/src_test/ppx_deriving/errors/run.t
@@ -101,3 +101,17 @@ Cannot find module error
                                         ^^^^^^^^^
   Error: [%import]: cannot find the module type M in Stuff.S
   [1]
+
+Multiple signature items
+  $ cat >test.ml <<EOF
+  > [%%import:
+  > type b = int
+  > type a = string]
+  > EOF
+  $ dune build
+  File "test.ml", lines 1-3, characters 0-16:
+  1 | [%%import:
+  2 | type b = int
+  3 | type a = string]
+  Error: [] expected
+  [1]
diff --git a/src_test/ppx_deriving/errors_lte_407/run.t b/src_test/ppx_deriving/errors_lte_407/run.t
index 5ec3a01..da8c997 100644
--- a/src_test/ppx_deriving/errors_lte_407/run.t
+++ b/src_test/ppx_deriving/errors_lte_407/run.t
@@ -87,3 +87,14 @@ Cannot find module error
   File "test.ml", line 1, characters 34-43:
   Error: [%import]: cannot find the module type M in Stuff.S
   [1]
+
+Multiple signature items
+  $ cat >test.ml <<EOF
+  > [%%import:
+  > type b = int
+  > type a = string]
+  > EOF
+  $ dune build
+  File "test.ml", line 1, characters 0-40:
+  Error: [] expected
+  [1]