diff --git a/CHANGELOG.md b/CHANGELOG.md
index b562a7f..04f8ec3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ This CHANGELOG follows the format listed [here](https://github.com/sensu-plugins
 
 ## [Unreleased]
 
+### Fixed
+- check-process.rb: fixed an issue introduced in #61 (@majormoses)
+
 ## [3.0.0] - 2018-03-17
 ### Security
 - updated rubocop dependency to `~> 0.51.0` per: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8418. (@majormoses)
@@ -170,7 +173,8 @@ This CHANGELOG follows the format listed [here](https://github.com/sensu-plugins
 - built against 1.9.3, 2.0, 2.1
 - cryptographically signed
 
-[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-process-checks/compare/3.0.0...HEAD
+[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-process-checks/compare/3.0.1...HEAD
+[3.0.1]: https://github.com/sensu-plugins/sensu-plugins-process-checks/compare/3.0.0...3.0.1
 [3.0.0]: https://github.com/sensu-plugins/sensu-plugins-process-checks/compare/2.7.0...3.0.0
 [2.7.0]: https://github.com/sensu-plugins/sensu-plugins-process-checks/compare/2.6.0...2.7.0
 [2.6.0]: https://github.com/sensu-plugins/sensu-plugins-process-checks/compare/2.5.0...2.6.0
diff --git a/bin/check-process.rb b/bin/check-process.rb
index 381b206..bd34dca 100755
--- a/bin/check-process.rb
+++ b/bin/check-process.rb
@@ -208,7 +208,7 @@ def line_to_hash(line, *cols)
   #
   def on_cygwin?
     # #YELLOW
-    `ps -W 2>&1`; $CHILD_STATUS.zero? # rubocop:disable Semicolon
+    `ps -W 2>&1`; $CHILD_STATUS.exitstatus.zero? # rubocop:disable Semicolon
   end
 
   # Acquire all the proceeses on a system for further analysis
diff --git a/lib/sensu-plugins-process-checks/version.rb b/lib/sensu-plugins-process-checks/version.rb
index 0179b7b..79f568d 100644
--- a/lib/sensu-plugins-process-checks/version.rb
+++ b/lib/sensu-plugins-process-checks/version.rb
@@ -2,7 +2,7 @@ module SensuPluginsProcessChecks
   module Version
     MAJOR = 3
     MINOR = 0
-    PATCH = 0
+    PATCH = 1
 
     VER_STRING = [MAJOR, MINOR, PATCH].compact.join('.')
   end