diff --git a/Backends/HTML5/kha/SystemImpl.hx b/Backends/HTML5/kha/SystemImpl.hx
index 1c30a02eb..33a428eb9 100644
--- a/Backends/HTML5/kha/SystemImpl.hx
+++ b/Backends/HTML5/kha/SystemImpl.hx
@@ -392,7 +392,7 @@ class SystemImpl {
 					antialias: options.framebuffer.samplesPerPixel > 1,
 					stencil: true
 				}); // preserveDrawingBuffer: true } ); Warning: preserveDrawingBuffer can cause huge performance issues on mobile browsers
-			SystemImpl.gl.pixelStorei(GL.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
+			SystemImpl.gl.pixelStorei(GL.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 0);
 
 			halfFloat = {HALF_FLOAT_OES: 0x140B}; // GL_HALF_FLOAT
 			depthTexture = {UNSIGNED_INT_24_8_WEBGL: 0x84FA}; // GL_UNSIGNED_INT_24_8
@@ -421,7 +421,7 @@ class SystemImpl {
 						antialias: options.framebuffer.samplesPerPixel > 1,
 						stencil: true
 					}); // preserveDrawingBuffer: true } ); WARNING: preserveDrawingBuffer causes huge performance issues (on mobile browser)!
-				SystemImpl.gl.pixelStorei(GL.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
+				SystemImpl.gl.pixelStorei(GL.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 0);
 				SystemImpl.gl.getExtension("OES_texture_float");
 				SystemImpl.gl.getExtension("OES_texture_float_linear");
 				halfFloat = SystemImpl.gl.getExtension("OES_texture_half_float");
diff --git a/Tools/khamake b/Tools/khamake
index 6a859252b..157159fcd 160000
--- a/Tools/khamake
+++ b/Tools/khamake
@@ -1 +1 @@
-Subproject commit 6a859252b7ef6250f43d0a410e44e7ff1e538b2c
+Subproject commit 157159fcd490fced852f63a807a2488463557da9