diff --git a/tests/expansion.err b/tests/expansion.err
index d898fab04..678e91d37 100644
--- a/tests/expansion.err
+++ b/tests/expansion.err
@@ -39,3 +39,6 @@ fish: Unexpected '}' for unopened brace expansion
 echo {}}
        ^
 
+fish: Command substitutions not allowed
+command (asd)
+^
diff --git a/tests/expansion.in b/tests/expansion.in
index dc7bf48ef..e36c8ff0f 100644
--- a/tests/expansion.in
+++ b/tests/expansion.in
@@ -153,4 +153,6 @@ logmsg Test fatal syntax errors
 ../test/root/bin/fish -c 'echo $,foo'
 ../test/root/bin/fish -c 'echo {'
 ../test/root/bin/fish -c 'echo {}}'
-true
\ No newline at end of file
+# The output for this is wrong in non-interactive mode and will need fixing when #5812 is fixed
+../test/root/bin/fish -c 'command (asd)'
+true