--- a/src/libstddjb/getpeereid.h
+++ b/src/libstddjb/getpeereid.h
@@ -3,6 +3,14 @@
 #ifndef GETPEEREID_H
 #define GETPEEREID_H
 
+#include "sysdeps.h"
+
+#ifdef HASGETPEEREID
+/* syscall exists - do nothing */
+
+#else
+
 extern int getpeereid (int, int *, int *) ;
 
 #endif
+#endif
diff --git a/src/libstddjb/ipc_eid.c b/src/libstddjb/ipc_eid.c
index 21322f6..330c0b8 100644
--- a/src/libstddjb/ipc_eid.c
+++ b/src/libstddjb/ipc_eid.c
@@ -5,7 +5,7 @@
 
 int ipc_eid (int s, unsigned int *u, unsigned int *g)
 {
-  int dummyu, dummyg ;
+  unsigned int dummyu, dummyg ;
   if (getpeereid(s, &dummyu, &dummyg) < 0) return -1 ;
   *u = (unsigned int)dummyu ;
   *g = (unsigned int)dummyg ;