diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
index 525fc03d705632171121e7233dccddd01cd0e050..8312887eccaaa2907886d283a9ff4529a907b9ba 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -142,6 +142,8 @@ static void build_prologue(struct jit_ctx *ctx)
 	 */
 	if (seen_tail_call(ctx) && seen_call(ctx))
 		move_reg(ctx, TCC_SAVED, REG_TCC);
+	else
+		emit_insn(ctx, nop);
 
 	ctx->stack_size = stack_adjust;
 }
diff --git a/arch/loongarch/net/bpf_jit.h b/arch/loongarch/net/bpf_jit.h
index 68586338ecf8591f3c10693ab49f2bf896c14651..f9c569f5394914a8df7268e824daaadba1b3d50f 100644
--- a/arch/loongarch/net/bpf_jit.h
+++ b/arch/loongarch/net/bpf_jit.h
@@ -27,6 +27,11 @@ struct jit_data {
 	struct jit_ctx ctx;
 };
 
+static inline void emit_nop(union loongarch_instruction *insn)
+{
+	insn->word = INSN_NOP;
+}
+
 #define emit_insn(ctx, func, ...)						\
 do {										\
 	if (ctx->image != NULL) {						\