diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 7a04d4c05..8e3257f1e 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1233,7 +1233,7 @@ sub dump_struct($$) {
 	# replace DECLARE_KFIFO_PTR
 	$members =~ s/DECLARE_KFIFO_PTR\s*\(([^,)]+),\s*([^,)]+)\)/$2 \*$1/gos;
 	# replace DECLARE_FLEX_ARRAY
-	$members =~ s/(?:__)?DECLARE_FLEX_ARRAY\s*\($args,\s*$args\)/$1 $2\[\]/gos;
+	$members =~ s/(?:__)?DECLARE_FLEX_ARRAY\s*\(([^,)]+),\s*([^,)]+)\)/$1 $2\[\]/gos;
 	my $declaration = $members;
 
 	# Split nested struct/union elements as newer ones