diff --git a/src/runtime/rt0_dragonfly_amd64.s b/src/runtime/rt0_dragonfly_amd64.s
index 9f7a427d4d..e76f9b9b52 100644
--- a/src/runtime/rt0_dragonfly_amd64.s
+++ b/src/runtime/rt0_dragonfly_amd64.s
@@ -4,8 +4,11 @@
 
 #include "textflag.h"
 
+// On Dragonfly argc/argv are passed in DI, not SP, so we can't use _rt0_amd64.
 TEXT _rt0_amd64_dragonfly(SB),NOSPLIT,$-8
-	JMP	_rt0_amd64(SB)
+	LEAQ	8(DI), SI // argv
+	MOVQ	0(DI), DI // argc
+	JMP	runtime·rt0_go(SB)
 
 TEXT _rt0_amd64_dragonfly_lib(SB),NOSPLIT,$0
 	JMP	_rt0_amd64_lib(SB)