diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
index 6146fd2..c886cd0 100644
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -117,6 +117,30 @@ static struct sysentvec elf_freebsd_sysvec = {
 	MINSIGSTKSZ
 };

+static struct sysentvec elf_dragonfly_sysvec = {
+        SYS_MAXSYSCALL,
+        sysent,
+        -1,
+        0,
+        0,
+        0,
+        0,
+        0,
+        elf_freebsd_fixup,
+        sendsig,
+        sigcode,
+        &szsigcode,
+        0,
+#if defined(__x86_64__)
+	"DragonFly ELF64",
+#else
+	"DragonFly ELF32",
+#endif
+	elf_coredump,
+	NULL,
+	MINSIGSTKSZ
+};
+
 static Elf_Brandinfo freebsd_brand_info = {
 						ELFOSABI_FREEBSD,
 						"FreeBSD",
@@ -132,7 +156,7 @@ static Elf_Brandinfo dragonfly_brand_info = {
 						dragonfly_match_abi_note,
 						"",
 						"/usr/libexec/ld-elf.so.2",
-						&elf_freebsd_sysvec
+						&elf_dragonfly_sysvec
 					  };

 static Elf_Brandinfo *elf_brand_list[MAX_BRANDS] = {
diff --git a/usr.bin/truss/main.c b/usr.bin/truss/main.c
index cbc82cf..84a6bb1 100644
--- a/usr.bin/truss/main.c
+++ b/usr.bin/truss/main.c
@@ -83,10 +83,12 @@ struct ex_types {
 } ex_types[] = {
 #ifdef __i386__
   { "FreeBSD a.out", i386_syscall_entry, i386_syscall_exit },
+  { "DragonFly ELF32", i386_syscall_entry, i386_syscall_exit },
   { "FreeBSD ELF32", i386_syscall_entry, i386_syscall_exit },
   { "Linux ELF32", i386_linux_syscall_entry, i386_linux_syscall_exit },
 #endif
 #ifdef __x86_64__
+  { "DragonFly ELF64", x86_64_syscall_entry, x86_64_syscall_exit },
   { "FreeBSD ELF64", x86_64_syscall_entry, x86_64_syscall_exit },
 #endif
   { 0, 0, 0 },