diff --git a/src/utils/debuglog.cpp b/src/utils/debuglog.cpp
index da29ab6c..2153e08e 100644
--- a/src/utils/debuglog.cpp
+++ b/src/utils/debuglog.cpp
@@ -21,6 +21,7 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
 #ifndef _WIN32
 #include <fcntl.h>
 #endif