diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 6188d5604ed47..34fd808e9692c 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -13500,7 +13500,7 @@ static int visit_insn(int t, struct bpf_verifier_env *env)
 		return DONE_EXPLORING;
 
 	case BPF_CALL:
-		if (insn->imm == BPF_FUNC_timer_set_callback)
+		if (insn->src_reg == 0 && insn->imm == BPF_FUNC_timer_set_callback)
 			/* Mark this call insn as a prune point to trigger
 			 * is_state_visited() check before call itself is
 			 * processed by __check_func_call(). Otherwise new