diff --git a/Outputs/CRT/Internals/TextureBuilder.cpp b/Outputs/CRT/Internals/TextureBuilder.cpp
index 28ed44857..dbb54da1b 100644
--- a/Outputs/CRT/Internals/TextureBuilder.cpp
+++ b/Outputs/CRT/Internals/TextureBuilder.cpp
@@ -42,7 +42,8 @@ TextureBuilder::TextureBuilder(size_t bytes_per_pixel, GLenum texture_unit) :
 	write_areas_start_x_(0),
 	write_areas_start_y_(0),
 	is_full_(false),
-	did_submit_(false)
+	did_submit_(false),
+	number_of_write_areas_(0)
 {
 	image_.resize(bytes_per_pixel * InputBufferBuilderWidth * InputBufferBuilderHeight);
 	glGenTextures(1, &texture_name_);