diff --git a/ssh/gss.h b/ssh/gss.h
index c819d48b..d11a359f 100644
--- a/ssh/gss.h
+++ b/ssh/gss.h
@@ -3,6 +3,13 @@
 #include "putty.h"
 #include "pgssapi.h"
 
+/* This struct is defined even in NO_GSSAPI mode, so that stubs/no-gss.c can
+ * return an instance of it containing no libraries */
+struct ssh_gss_liblist {
+    struct ssh_gss_library *libraries;
+    int nlibraries;
+};
+
 #ifndef NO_GSSAPI
 
 #define SSH2_GSS_OIDTYPE 0x06
@@ -49,10 +56,6 @@ struct ssh_gss_library;
  * The free function cleans up the structure, and its associated
  * libraries (if any).
  */
-struct ssh_gss_liblist {
-    struct ssh_gss_library *libraries;
-    int nlibraries;
-};
 struct ssh_gss_liblist *ssh_gss_setup(Conf *conf);
 void ssh_gss_cleanup(struct ssh_gss_liblist *list);