diff --git a/.gitignore b/.gitignore
index 769f154..037d403 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,5 +4,5 @@ Makefile
 cmake_install.cmake
 install_manifest.txt
 
+matabstrix.html
 matabstrix.js
-matabstrix.js.mem
diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa861e3..8e95aae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,3 +3,4 @@ project (Matabstrix)
 add_definitions ("-std=c++14 -Wall -Wextra")
 file (GLOB sources *.cpp)
 add_executable (matabstrix ${sources})
+set (CMAKE_EXECUTABLE_SUFFIX ".html")