diff --git a/instrumentation/ktor/ktor-2.0/javaagent/build.gradle.kts b/instrumentation/ktor/ktor-2.0/javaagent/build.gradle.kts
index 130c152079fa..0c2fdd249e41 100644
--- a/instrumentation/ktor/ktor-2.0/javaagent/build.gradle.kts
+++ b/instrumentation/ktor/ktor-2.0/javaagent/build.gradle.kts
@@ -10,6 +10,7 @@ muzzle {
     group.set("org.jetbrains.kotlinx")
     module.set("ktor-server-core")
     versions.set("[2.0.0,)")
+    assertInverse.set(true)
   }
 }