diff --git a/src/engine/fileOps/pps.cpp b/src/engine/fileOps/pps.cpp
index 3ee81862a..b69ff3eb6 100644
--- a/src/engine/fileOps/pps.cpp
+++ b/src/engine/fileOps/pps.cpp
@@ -93,7 +93,7 @@ void DivEngine::loadPPS(SafeReader& reader, std::vector<DivSample*>& ret, String
             s->rate = PPS_SAMPLE_RATE;
             s->centerRate = PPS_SAMPLE_RATE;
             s->depth = DIV_SAMPLE_DEPTH_4BIT;
-            s->init(headers[i].sample_length);
+            s->init(headers[i].sample_length*2); // bytes->samples
 
             reader.seek((int)headers[i].start_pointer, SEEK_SET);
 
diff --git a/src/engine/sample.cpp b/src/engine/sample.cpp
index 19e33032e..9884bdc27 100644
--- a/src/engine/sample.cpp
+++ b/src/engine/sample.cpp
@@ -1343,7 +1343,7 @@ void DivSample::render(unsigned int formatMask) {
           } else {
             nibble=data4[i>>1]>>4;
           }
-          data16[i]=(nibble<<12)^0x8000;
+          data16[i]=((nibble<<12)|(nibble<<8)|(nibble<<4)|nibble)^0x8000;
         }
         break;
       }