diff --git a/kcms/users/src/user.cpp
 b/kcms/users/src/user.cpp
--- a/kcms/users/src/user.cpp
+++ b/kcms/users/src/user.cpp
@@ -20,7 +20,9 @@
 */
 
 #include <user.h>
+#if !defined(Q_OS_UNIX) && !defined(Q_OS_BSD4) && !defined(Q_OS_FREEBSD) && !defined(Q_OS_NETBSD) && !defined(Q_OS_OPENBSD)
 #include <crypt.h>
+#endif
 #include <unistd.h>
 #include <sys/types.h>
 #include <QtConcurrent>