diff --git a/src/include/limesuiteng/DeviceHandle.h b/src/include/limesuiteng/DeviceHandle.h
index 369c4d74..d80c2850 100644
--- a/src/include/limesuiteng/DeviceHandle.h
+++ b/src/include/limesuiteng/DeviceHandle.h
@@ -67,6 +67,6 @@ class LIME_API DeviceHandle
 
 } // namespace lime
 //! Check two connection handles for equality
-bool operator==(const lime::DeviceHandle& lhs, const lime::DeviceHandle& rhs);
+bool LIME_API operator==(const lime::DeviceHandle& lhs, const lime::DeviceHandle& rhs);
 
 #endif