diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index c15df12886a..f9e1126dc99 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2016-01-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	* uninclude: Fix third argument to gensub.
+
 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 
 	* update-copyright.py (GCCCopyright): Add NVIDIA Corporation
diff --git a/contrib/uninclude b/contrib/uninclude
index 8ba28e5cfb7..5612e655a98 100755
--- a/contrib/uninclude
+++ b/contrib/uninclude
@@ -38,7 +38,7 @@ BEGIN {
 !skipping && $0 ~ cppline && 
 (exclude == "" || $3 !~ exclude) && (include == "" || $3 ~ include) {
   skipping = 1;
-  printf "%s\n", "#include <" gensub(cppline, "\\2", "", $0) ">"
+  printf "%s\n", "#include <" gensub(cppline, "\\2", 1, $0) ">"
   next;
 }
 skipping && /^# [0-9]+ / && $3 == lastincluded {