diff --git a/CHANGELOG.md b/CHANGELOG.md
index 478d076..8a95957 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 
 ## To Be Released...
 ## 5.X.Y
+* Fix: Use `cp` tag to get player count on Rust (By @xCausxn #663)
 
 ## 5.1.4
 * Feat: Replaced `punycode` package usage with `url.domainToASCII` (#630).
diff --git a/protocols/valve.js b/protocols/valve.js
index 30b4fd1..402cbea 100644
--- a/protocols/valve.js
+++ b/protocols/valve.js
@@ -141,6 +141,12 @@ export default class valve extends Core {
               state.maxplayers = value
             }
           }
+          if (tag.startsWith('cp')) {
+            const value = parseInt(tag.replace('cp', ''))
+            if (!isNaN(value)) {
+              state.numplayers = value
+            }
+          }
         }
       }
     }