diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index b941ae24453f..06be0c0a482e 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -830,7 +830,7 @@ ktrsyscall(struct ktr_syscall *ktr, u_int flags)
 				ip++;
 				narg--;
 				putchar(',');
-				socktypename(*ip);
+				socktypenamewithflags(*ip);
 				ip++;
 				narg--;
 				if (sockdomain == PF_INET ||
@@ -908,7 +908,7 @@ ktrsyscall(struct ktr_syscall *ktr, u_int flags)
 				ip++;
 				narg--;
 				putchar(',');
-				socktypename(*ip);
+				socktypenamewithflags(*ip);
 				ip++;
 				narg--;
 				c = ',';
diff --git a/usr.bin/kdump/mksubr b/usr.bin/kdump/mksubr
index 5c82f302a6f4..b10af9426010 100644
--- a/usr.bin/kdump/mksubr
+++ b/usr.bin/kdump/mksubr
@@ -368,6 +368,19 @@ vmprotname (int type)
 	if_print_or(type, VM_PROT_EXECUTE, or);
 	if_print_or(type, VM_PROT_COPY, or);
 }
+
+/*
+ * MANUAL
+ */
+void
+socktypenamewithflags(int type)
+{
+	if (type & SOCK_CLOEXEC)
+		printf("SOCK_CLOEXEC|"), type &= ~SOCK_CLOEXEC;
+	if (type & SOCK_NONBLOCK)
+		printf("SOCK_NONBLOCK|"), type &= ~SOCK_NONBLOCK;
+	socktypename(type);
+}
 _EOF_
 
 auto_or_type     "accessmodename"      "[A-Z]_OK[[:space:]]+0?x?[0-9A-Fa-f]+"         "sys/unistd.h"