diff --git a/src/Humanizer.Tests.Shared/InflectorTests.cs b/src/Humanizer.Tests.Shared/InflectorTests.cs
index 9788eeb24..084949d08 100644
--- a/src/Humanizer.Tests.Shared/InflectorTests.cs
+++ b/src/Humanizer.Tests.Shared/InflectorTests.cs
@@ -349,6 +349,9 @@ public IEnumerator<object[]> GetEnumerator()
             yield return new object[] { "rookie", "rookies" };
             yield return new object[] { "roomie", "roomies" };
             yield return new object[] { "smoothie", "smoothies" };
+            
+            //Issue #789
+            yield return new object[] { "cache", "caches" };
         }
 
         IEnumerator IEnumerable.GetEnumerator()