diff --git a/kasmweb/core/decoders/tight.js b/kasmweb/core/decoders/tight.js
index 5eb61d3..8885e7b 100644
--- a/kasmweb/core/decoders/tight.js
+++ b/kasmweb/core/decoders/tight.js
@@ -174,7 +174,7 @@ export default class TightDecoder {
                 return false;
             }
 
-            data = this._zlibs[streamId].inflate(data, true, uncompressedSize);
+            data = this._zlibs[streamId].inflate(data, uncompressedSize);
             if (data.length != uncompressedSize) {
                 throw new Error("Incomplete zlib block");
             }
@@ -222,7 +222,7 @@ export default class TightDecoder {
                 return false;
             }
 
-            data = this._zlibs[streamId].inflate(data, true, uncompressedSize);
+            data = this._zlibs[streamId].inflate(data, uncompressedSize);
             if (data.length != uncompressedSize) {
                 throw new Error("Incomplete zlib block");
             }
diff --git a/kasmweb/core/inflator.js b/kasmweb/core/inflator.js
index 0eab8fe..fe9f8c7 100644
--- a/kasmweb/core/inflator.js
+++ b/kasmweb/core/inflator.js
@@ -11,7 +11,7 @@ export default class Inflate {
         inflateInit(this.strm, this.windowBits);
     }
 
-    inflate(data, flush, expected) {
+    inflate(data, expected) {
         this.strm.input = data;
         this.strm.avail_in = this.strm.input.length;
         this.strm.next_in = 0;
@@ -27,7 +27,7 @@ export default class Inflate {
 
         this.strm.avail_out = this.chunkSize;
 
-        inflate(this.strm, flush);
+        inflate(this.strm, 0); // Flush argument not used.
 
         return new Uint8Array(this.strm.output.buffer, 0, this.strm.next_out);
     }