diff --git a/lib/roken/roken-common.h b/lib/roken/roken-common.h
index 906b00033..f3a4c0422 100644
--- a/lib/roken/roken-common.h
+++ b/lib/roken/roken-common.h
@@ -251,6 +251,14 @@
 #define NI_NUMERICSERV	0x10
 #endif
 
+/*
+ * NI_NUMERICSCOPE is still missing from glibc as of 2024:
+ * https://sourceware.org/bugzilla/show_bug.cgi?id=14102
+ */
+#ifndef	NI_NUMERICSCOPE
+#define	NI_NUMERICSCOPE		0
+#endif
+
 /*
  * constants for getnameinfo
  */