diff --git a/src/inflate.c b/src/inflate.c
index f9c4aac..3c913cd 100644
--- a/src/inflate.c
+++ b/src/inflate.c
@@ -41,11 +41,11 @@ struct InflateOutput inflateInflate(unsigned long numInputBytes, bool hasMoreByt
   } else {
     //go back to beginning of input buffer
     remainingInput = numInputBytes;
-    comprBufferNext = comprBuffer;
+    comprBufferNext = (const mz_uint8 *)comprBuffer;
   }
   //output buffer has been emptied
   spaceInOutput = uncomprBufferSize;
-  uncomprBufferNext = uncomprBuffer;
+  uncomprBufferNext = (mz_uint8 *)uncomprBuffer;
 
   struct InflateOutput out;
   out.hasReachedEnd = false;
@@ -66,9 +66,9 @@ struct InflateOutput inflateInflate(unsigned long numInputBytes, bool hasMoreByt
     );
 
     //Adjust buffer positions by the amount of bytes processed
-    comprBufferNext += in_bytes;
+    comprBufferNext = (const mz_uint8 *)comprBufferNext + in_bytes;
     remainingInput -= in_bytes;
-    uncomprBufferNext += out_bytes;
+    uncomprBufferNext = (mz_uint8 *)uncomprBufferNext + out_bytes;
     spaceInOutput -= out_bytes;
 
     //Check for errors