diff --git a/lib/matchers/matchers.rb b/lib/matchers/matchers.rb
index ba572760b..196ee11ad 100644
--- a/lib/matchers/matchers.rb
+++ b/lib/matchers/matchers.rb
@@ -211,7 +211,7 @@ end
 RSpec::Matchers.define :cmp do |first_expected| # rubocop:disable Metrics/BlockLength
 
   def integer?(value)
-    !(value =~ /\A0+\Z|\A[1-9]\d*\Z/).nil?
+    !(value =~ /\A-?0+\Z|\A-?[1-9]\d*\Z/).nil?
   end
 
   def float?(value)
diff --git a/test/integration/default/controls/cmp_matcher_spec.rb b/test/integration/default/controls/cmp_matcher_spec.rb
index 3e1df6677..0bdd6e9da 100644
--- a/test/integration/default/controls/cmp_matcher_spec.rb
+++ b/test/integration/default/controls/cmp_matcher_spec.rb
@@ -71,6 +71,19 @@ if os.linux?
     it { should_not cmp >= 13 }
   end
 
+  describe '-12' do
+    it { should cmp -12 }
+    it { should cmp < -11 }
+    it { should cmp > -13 }
+    it { should_not cmp < -12 }
+    it { should_not cmp > -12 }
+    it { should cmp <= -12 }
+    it { should cmp >= -12 }
+    it { should cmp >= -666 }
+    it { should_not cmp <= -13 }
+    it { should_not cmp >= -11 }
+  end
+
   # versions
   describe '2.4.12' do
     it { should cmp == '2.4.12' }