diff --git a/hueplusplus/LinHttpHandler.cpp b/hueplusplus/LinHttpHandler.cpp
index 8ad676a..c5ba891 100644
--- a/hueplusplus/LinHttpHandler.cpp
+++ b/hueplusplus/LinHttpHandler.cpp
@@ -36,7 +36,7 @@
 
 class SocketCloser {
 public:
-    SocketCloser(int sockFd) : s(sockFd) {}
+    explicit SocketCloser(int sockFd) : s(sockFd) {}
     ~SocketCloser() { close(s); }
 private:
     int s;