include shttpd/adapter.h
diff --git a/src/server/wsmand-listener.c b/src/server/wsmand-listener.c
index 2d20550..cf6c974 100644
--- a/src/server/wsmand-listener.c
+++ b/src/server/wsmand-listener.c
@@ -65,7 +65,7 @@
 
 
 #include "shttpd.h"
-
+#include "shttpd/adapter.h" /* shttpd_get_credentials() */
 #include "wsman-plugins.h"
 #include "wsmand-listener.h"
 #include "wsmand-daemon.h"