diff --git a/src/core/windows/registry.c b/src/core/windows/registry.c
index 14dbae2..e2f70ad 100644
--- a/src/core/windows/registry.c
+++ b/src/core/windows/registry.c
@@ -32,6 +32,7 @@
  * @brief Win32 Registry functions.
  */
 
+#include <config.h>
 #include <winsock2.h>
 #include <windows.h>
 #include <lib3270.h>
--
libgit2 0.21.2