Patch-Source: https://sources.debian.org/src/grpc/1.44.0-3/debian/patches/fix-protoc-path.patch (modified)

--- a/src/ruby/end2end/package_with_underscore_test.rb
+++ b/src/ruby/end2end/package_with_underscore_test.rb
@@ -20,8 +20,8 @@ def main
   pb_dir = File.join(root_dir, 'src', 'ruby', 'end2end', 'protos')
 
-  bins_dir = File.join(root_dir, 'cmake', 'build')
+  bins_dir = '/usr/bin'
   plugin = File.join(bins_dir, 'grpc_ruby_plugin')
-  protoc = File.join(bins_dir, 'third_party', 'protobuf', 'protoc')
+  protoc = File.join(bins_dir, 'protoc')
 
   got = nil
 
--- a/src/ruby/tools/bin/grpc_tools_ruby_protoc
+++ b/src/ruby/tools/bin/grpc_tools_ruby_protoc
@@ -25,6 +25,5 @@ plugin_name = 'grpc_ruby_plugin' + ext
 
-protoc_dir = File.join(File.dirname(__FILE__),
-                       PLATFORM.architecture + '-' + PLATFORM.os_name)
+protoc_dir = '/usr/bin'
 
 protoc_path = File.join(protoc_dir, protoc_name)