Index: lib/libcasper/libcasper/libcasper.h
===================================================================
--- lib/libcasper/libcasper/libcasper.h
+++ lib/libcasper/libcasper/libcasper.h
@@ -56,11 +56,13 @@
 struct cap_channel;
 
 typedef struct cap_channel cap_channel_t;
+#define	CASPER_SUPPORT	(1)
 #else
 struct cap_channel {
 	int cch_fd;
 };
 typedef struct cap_channel cap_channel_t;
+#define	CASPER_SUPPORT	(0)
 #endif /* ! WITH_CASPER */
 #endif /* ! _CAP_CHANNEL_T_DECLARED */
 
Index: sbin/ping/ping.c
===================================================================
--- sbin/ping/ping.c
+++ sbin/ping/ping.c
@@ -709,7 +709,7 @@
 	if (options & F_NUMERIC)
 		cansandbox = true;
 	else if (capdns != NULL)
-		cansandbox = true;
+		cansandbox = CASPER_SUPPORT;
 	else
 		cansandbox = false;