diff --git a/Outputs/CRT/Internals/CRTOpenGL.cpp b/Outputs/CRT/Internals/CRTOpenGL.cpp
index 18d1828a7..a9ddca095 100644
--- a/Outputs/CRT/Internals/CRTOpenGL.cpp
+++ b/Outputs/CRT/Internals/CRTOpenGL.cpp
@@ -563,7 +563,6 @@ char *OpenGLOutputBuilder::get_chrominance_filter_fragment_shader()
 
 		"void main(void)"
 		"{"
-//			"fragColour = texture(texID, inputPositionsVarying[5]).rgb;"
 			"vec3 centreSample = texture(texID, inputPositionsVarying[5]).rgb;"
 			"vec2 samples[] = vec2[]("
 				"texture(texID, inputPositionsVarying[0]).gb,"
@@ -579,12 +578,12 @@ char *OpenGLOutputBuilder::get_chrominance_filter_fragment_shader()
 				"texture(texID, inputPositionsVarying[10]).gb"
 			");"
 
-			"vec4 channel1[3] = vec4[]("
+			"vec4 channel1[] = vec4[]("
 				"vec4(samples[0].r, samples[1].r, samples[2].r, samples[3].r),"
 				"vec4(samples[4].r, samples[5].r, samples[6].r, samples[7].r),"
 				"vec4(samples[8].r, samples[9].r, samples[10].r, 0.0)"
 			");"
-			"vec4 channel2[3] = vec4[]("
+			"vec4 channel2[] = vec4[]("
 				"vec4(samples[0].g, samples[1].g, samples[2].g, samples[3].g),"
 				"vec4(samples[4].g, samples[5].g, samples[6].g, samples[7].g),"
 				"vec4(samples[8].g, samples[9].g, samples[10].g, 0.0)"
@@ -597,9 +596,9 @@ char *OpenGLOutputBuilder::get_chrominance_filter_fragment_shader()
 					"dot(channel1[2], weights[2])"
 				"), vec3(1.0, 1.0, 1.0)),"
 				"dot(vec3("
-					"dot(channel1[0], weights[0]),"
-					"dot(channel1[1], weights[1]),"
-					"dot(channel1[2], weights[2])"
+					"dot(channel2[0], weights[0]),"
+					"dot(channel2[1], weights[1]),"
+					"dot(channel2[2], weights[2])"
 				"), vec3(1.0, 1.0, 1.0))"
 			");"
 		"}");