diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index f0edab0c42b..91f2ff5a729 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -508,7 +508,7 @@ fs_generator::generate_cs_terminate(fs_inst *inst, struct brw_reg payload)
    insn = brw_next_insn(p, BRW_OPCODE_SEND);
 
    brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_UW));
-   brw_set_src0(p, insn, payload);
+   brw_set_src0(p, insn, retype(payload, BRW_REGISTER_TYPE_UW));
    brw_set_src1(p, insn, brw_imm_d(0));
 
    /* Terminate a compute shader by sending a message to the thread spawner.