diff --git a/decoder/ih264d_api.c b/decoder/ih264d_api.c
index 2708933..59160b9 100644
--- a/decoder/ih264d_api.c
+++ b/decoder/ih264d_api.c
@@ -1928,6 +1928,7 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     ps_dec->cur_dec_mb_num = 0;
     ps_dec->cur_recon_mb_num = 0;
     ps_dec->u4_first_slice_in_pic = 2;
+    ps_dec->u1_first_pb_nal_in_pic = 1;
     ps_dec->u1_slice_header_done = 0;
     ps_dec->u1_dangling_field = 0;
 
@@ -2099,8 +2100,10 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
             if((ret == IVD_RES_CHANGED)
                             || (ret == IVD_MEM_ALLOC_FAILED)
                             || (ret == ERROR_UNAVAIL_PICBUF_T)
-                            || (ret == ERROR_UNAVAIL_MVBUF_T))
+                            || (ret == ERROR_UNAVAIL_MVBUF_T)
+                            || (ret == ERROR_INV_SPS_PPS_T))
             {
+                ps_dec->u4_slice_start_code_found = 0;
                 break;
             }
 
@@ -2182,7 +2185,8 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     if((ret == IVD_RES_CHANGED)
                     || (ret == IVD_MEM_ALLOC_FAILED)
                     || (ret == ERROR_UNAVAIL_PICBUF_T)
-                    || (ret == ERROR_UNAVAIL_MVBUF_T))
+                    || (ret == ERROR_UNAVAIL_MVBUF_T)
+                    || (ret == ERROR_INV_SPS_PPS_T))
     {
 
         /* signal the decode thread */
diff --git a/decoder/ih264d_parse_slice.c b/decoder/ih264d_parse_slice.c
index 2317e77..22a7d0b 100644
--- a/decoder/ih264d_parse_slice.c
+++ b/decoder/ih264d_parse_slice.c
@@ -940,7 +940,6 @@ WORD32 ih264d_end_of_pic(dec_struct_t *ps_dec,
     dec_slice_params_t *ps_cur_slice = ps_dec->ps_cur_slice;
     WORD32 ret;
 
-    ps_dec->u1_first_pb_nal_in_pic = 1;
     ps_dec->u2_mbx = 0xffff;
     ps_dec->u2_mby = 0;
     {