1 files changed, 1 insertions, 0 deletions
diff --git a/yjit_codegen.c b/yjit_codegen.c
index 60d2338115..282231ae44 100644
--- a/yjit_codegen.c
+++ b/yjit_codegen.c
@@ -1421,6 +1421,7 @@ gen_checktype(jitstate_t* jit, ctx_t* ctx)
         mov(cb, REG0, mem_opnd(64, REG0, offsetof(struct RBasic, flags)));
         and(cb, REG0, imm_opnd(RUBY_T_MASK));
         cmp(cb, REG0, imm_opnd(type_val));
+        mov(cb, REG0, imm_opnd(Qtrue));
         mov(cb, REG1, imm_opnd(Qfalse));
         cmovne(cb, REG0, REG1);