diff --git a/gnu/packages/patches/libgit2-uninitialized-proxy-settings.patch b/gnu/packages/patches/libgit2-uninitialized-proxy-settings.patch
index 40010cf811..54116ce1a2 100644
--- a/gnu/packages/patches/libgit2-uninitialized-proxy-settings.patch
+++ b/gnu/packages/patches/libgit2-uninitialized-proxy-settings.patch
@@ -1,4 +1,4 @@
-Fix use of uninitialized value in the http-parser backend, a bug introduced
+Fix uses of uninitialized values in the http-parser backend, a bug introduced
 in libgit2 1.8.1:
 
   https://github.com/libgit2/libgit2/pull/6870
@@ -6,7 +6,7 @@ in libgit2 1.8.1:
 This code is exercised by 'tests/proxy.scm' in Guile-Git.
 
 diff --git a/src/libgit2/transports/httpparser.c b/src/libgit2/transports/httpparser.c
-index 50ba6d2e0..1f0e65372 100644
+index 50ba6d2e0..c19499b84 100644
 --- a/src/libgit2/transports/httpparser.c
 +++ b/src/libgit2/transports/httpparser.c
 @@ -71,6 +71,7 @@ size_t git_http_parser_execute(
@@ -17,3 +17,12 @@ index 50ba6d2e0..1f0e65372 100644
  	settings_proxy.on_message_begin = parser->settings.on_message_begin ? on_message_begin : NULL;
  	settings_proxy.on_url = parser->settings.on_url ? on_url : NULL;
  	settings_proxy.on_header_field = parser->settings.on_header_field ? on_header_field : NULL;
+@@ -78,6 +79,8 @@ size_t git_http_parser_execute(
+ 	settings_proxy.on_headers_complete = parser->settings.on_headers_complete ? on_headers_complete : NULL;
+ 	settings_proxy.on_body = parser->settings.on_body ? on_body : NULL;
+ 	settings_proxy.on_message_complete = parser->settings.on_message_complete ? on_message_complete : NULL;
++	settings_proxy.on_chunk_header = NULL;
++	settings_proxy.on_chunk_complete = NULL;
+ 
+ 	return http_parser_execute(&parser->parser, &settings_proxy, data, len);
+ }