diff --git a/binr/rasm2/Makefile b/binr/rasm2/Makefile
index 7d6930fc31..10ec5c1596 100644
--- a/binr/rasm2/Makefile
+++ b/binr/rasm2/Makefile
@@ -1,4 +1,4 @@
 BIN=rasm2
-BINDEPS=r_asm r_parse r_syscall r_anal r_reg
+BINDEPS=r_asm r_parse r_syscall r_anal r_reg r_io
 BINDEPS+=r_flag r_cons r_lang r_util r_search
 include ../rules.mk