diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c
index 6aa4ace337..1fef8747c0 100644
--- a/libpostproc/postprocess.c
+++ b/libpostproc/postprocess.c
@@ -558,10 +558,10 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step,
 #endif
 
 typedef void (*pp_fn)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
-                      const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2);
+                      const int8_t QPs[], int QPStride, int isColor, PPContext *c2);
 
 static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
-        const QP_STORE_T QPs[], int QPStride, int isColor, pp_mode *vm, pp_context *vc)
+        const int8_t QPs[], int QPStride, int isColor, pp_mode *vm, pp_context *vc)
 {
     pp_fn pp = postProcess_C;
     PPContext *c= (PPContext *)vc;
@@ -870,9 +870,9 @@ static void reallocBuffers(PPContext *c, int width, int height, int stride, int
     }
 
     reallocAlign((void **)&c->deintTemp, 2*width+32);
-    reallocAlign((void **)&c->nonBQPTable, qpStride*mbHeight*sizeof(QP_STORE_T));
-    reallocAlign((void **)&c->stdQPTable, qpStride*mbHeight*sizeof(QP_STORE_T));
-    reallocAlign((void **)&c->forcedQPTable, mbWidth*sizeof(QP_STORE_T));
+    reallocAlign((void **)&c->nonBQPTable, qpStride*mbHeight*sizeof(int8_t));
+    reallocAlign((void **)&c->stdQPTable, qpStride*mbHeight*sizeof(int8_t));
+    reallocAlign((void **)&c->forcedQPTable, mbWidth*sizeof(int8_t));
 }
 
 static const char * context_to_name(void * ptr) {
@@ -940,7 +940,7 @@ av_cold void pp_free_context(void *vc){
 void  pp_postprocess(const uint8_t * src[3], const int srcStride[3],
                      uint8_t * dst[3], const int dstStride[3],
                      int width, int height,
-                     const QP_STORE_T *QP_store,  int QPStride,
+                     const int8_t *QP_store,  int QPStride,
                      pp_mode *vm,  void *vc, int pict_type)
 {
     int mbWidth = (width+15)>>4;
diff --git a/libpostproc/postprocess_internal.h b/libpostproc/postprocess_internal.h
index d128dfbe2f..765fdeb14a 100644
--- a/libpostproc/postprocess_internal.h
+++ b/libpostproc/postprocess_internal.h
@@ -149,9 +149,9 @@ typedef struct PPContext{
     DECLARE_ALIGNED(32, uint64_t, mmxDcOffset)[64];
     DECLARE_ALIGNED(32, uint64_t, mmxDcThreshold)[64];
 
-    QP_STORE_T *stdQPTable;       ///< used to fix MPEG2 style qscale
-    QP_STORE_T *nonBQPTable;
-    QP_STORE_T *forcedQPTable;
+    int8_t *stdQPTable;       ///< used to fix MPEG2 style qscale
+    int8_t *nonBQPTable;
+    int8_t *forcedQPTable;
 
     int QP;
     int nonBQP;
diff --git a/libpostproc/postprocess_template.c b/libpostproc/postprocess_template.c
index 2a25ce44e3..0a43989266 100644
--- a/libpostproc/postprocess_template.c
+++ b/libpostproc/postprocess_template.c
@@ -3081,7 +3081,7 @@ static av_always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int st
 #endif //TEMPLATE_PP_MMX
 
 static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
-                                const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c);
+                                const int8_t QPs[], int QPStride, int isColor, PPContext *c);
 
 /**
  * Copy a block from src to dst and fixes the blacklevel.
@@ -3309,7 +3309,7 @@ static inline void RENAME(prefetcht2)(const void *p)
  * Filter array of bytes (Y or U or V values)
  */
 static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
-                                const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2)
+                                const int8_t QPs[], int QPStride, int isColor, PPContext *c2)
 {
     DECLARE_ALIGNED(8, PPContext, c)= *c2; //copy to stack for faster access
     int x,y;