diff --git a/testsuite/tests/rename/should_compile/T10625.hs b/testsuite/tests/rename/should_compile/T10625.hs
new file mode 100644
index 0000000000000000000000000000000000000000..5229fbedcc8de1760421e35371a1fc8b7499358d
--- /dev/null
+++ b/testsuite/tests/rename/should_compile/T10625.hs
@@ -0,0 +1,6 @@
+{-# LANGUAGE ExistentialQuantification #-}
+{-# OPTIONS_GHC -Wall -Wno-name-shadowing #-}
+
+module T10625 where
+
+data Ex a = forall a. Ex a
diff --git a/testsuite/tests/rename/should_compile/all.T b/testsuite/tests/rename/should_compile/all.T
index 8c120cd4c20b3b1fd21839a956ba14d0f32fae37..65f92e27799995d3725de9ec190eb8b15fd38997 100644
--- a/testsuite/tests/rename/should_compile/all.T
+++ b/testsuite/tests/rename/should_compile/all.T
@@ -232,3 +232,4 @@ test('T11164',
      multimod_compile, ['T11164', '-v0'])
 test('T11167', normal, compile, [''])
 test('T11167_ambig', normal, compile, [''])
+test('T10625', normal, compile, [''])