diff --git a/configure.ac b/configure.ac
index 5f8da071b..1899e92cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -168,7 +168,7 @@ AC_FUNC_FORK
 AC_FUNC_GETGROUPS
 AC_FUNC_SELECT_ARGTYPES
 AC_CHECK_FUNCS([getaddrinfo getgrgid_r getpwuid_r gettimeofday getuid \
-    inet_ntop nanosleep sigaction sleep])
+    inet_ntop nanosleep setpgid setsid sigaction sleep])
 AC_CHECK_FUNCS([mkfifo], [HAVE_MKFIFO=1], [HAVE_MKFIFO=0])
 
 AM_CONDITIONAL(HAVE_MKFIFO, test "x$HAVE_MKFIFO" = "x1")
diff --git a/polyp/main.c b/polyp/main.c
index 2e97e5ccf..a56d2f1e1 100644
--- a/polyp/main.c
+++ b/polyp/main.c
@@ -258,8 +258,12 @@ int main(int argc, char *argv[]) {
         if (conf->auto_log_target)
             pa_log_set_target(PA_LOG_SYSLOG, NULL);
 
+#ifdef HAVE_SETSID
         setsid();
+#endif
+#ifdef HAVE_SETPGID
         setpgid(0,0);
+#endif
         
         close(0);
         close(1);