diff --git a/types.cpp b/types.cpp
index aeb0952..a7a56f7 100644
--- a/types.cpp
+++ b/types.cpp
@@ -192,7 +192,7 @@ bool PublishBase::hasExpired() const
         return false;
 
     const std::chrono::seconds age = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - this->createdAt);
-    return (expiresAfter > age);
+    return (age > expiresAfter);
 }
 
 void PublishBase::setExpireAfter(uint32_t s)