diff --git a/decoder/ih264d_api.c b/decoder/ih264d_api.c
index 801960b..06cc8e9 100644
--- a/decoder/ih264d_api.c
+++ b/decoder/ih264d_api.c
@@ -2143,9 +2143,10 @@
         ret1 = ih264d_mark_err_slice_skip(ps_dec, num_mb_skipped, ps_dec->u1_nal_unit_type == IDR_SLICE_NAL, ps_dec->ps_cur_slice->u2_frame_num,
                                    &temp_poc, prev_slice_err);
 
-        if((ret1 == ERROR_UNAVAIL_PICBUF_T) || (ret1 == ERROR_UNAVAIL_MVBUF_T))
+        if((ret1 == ERROR_UNAVAIL_PICBUF_T) || (ret1 == ERROR_UNAVAIL_MVBUF_T) ||
+                       (ret1 == ERROR_INV_SPS_PPS_T))
         {
-            return IV_FAIL;
+            ret = ret1;
         }
     }
 
diff --git a/decoder/ih264d_parse_pslice.c b/decoder/ih264d_parse_pslice.c
index c712ed5..8e008bd 100644
--- a/decoder/ih264d_parse_pslice.c
+++ b/decoder/ih264d_parse_pslice.c
@@ -1489,10 +1489,25 @@
             if(ps_dec->ps_cur_pic != NULL)
                 poc = ps_dec->ps_cur_pic->i4_poc + 2;
 
-            j = 0;
+            j = -1;
             for(i = 0; i < MAX_NUM_PIC_PARAMS; i++)
+            {
                    if(ps_dec->ps_pps[i].u1_is_valid == TRUE)
-                       j = i;
+                   {
+                       if(ps_dec->ps_pps[i].ps_sps->u1_is_valid == TRUE)
+                       {
+                           j = i;
+                           break;
+                       }
+                   }
+            }
+
+            //if valid SPS PPS is not found return error
+            if(j == -1)
+            {
+                return ERROR_INV_SPS_PPS_T;
+            }
+
             {
                 //initialize slice params required by ih264d_start_of_pic to valid values
                 ps_dec->ps_cur_slice->u1_slice_type = P_SLICE;