diff --git a/winsup/utils/mkgroup.c b/winsup/utils/mkgroup.c
index fe55651e2..19b679ee1 100644
--- a/winsup/utils/mkgroup.c
+++ b/winsup/utils/mkgroup.c
@@ -35,7 +35,7 @@
 
 static const char version[] = "$Revision$";
 
-extern char *__progname;
+extern char *__progname __declspec(dllimport);
 
 SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
 SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
diff --git a/winsup/utils/mkpasswd.c b/winsup/utils/mkpasswd.c
index f7c910ba1..36c462267 100644
--- a/winsup/utils/mkpasswd.c
+++ b/winsup/utils/mkpasswd.c
@@ -35,7 +35,7 @@
 
 static const char version[] = "$Revision$";
 
-extern char *__progname;
+extern char *__progname __declspec(dllimport);
 
 SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
 SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};