diff --git a/.gitignore b/.gitignore
index 453e63922..754d679ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,5 +36,5 @@ node_modules
 lib/binding
 .DS_Store
 temp/
-*.cc
-*.hh
+*.cpp
+*.hpp
diff --git a/binding.gyp b/binding.gyp
index b790a1ff2..8e7894634 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -16,7 +16,7 @@
         ],
       },
       "sources": [
-        "src/better_sqlite3.cc"
+        "src/better_sqlite3.cpp"
       ]
     }
   ]
diff --git a/tools/build b/tools/build
index 70129e3d7..a9ff8ecab 100755
--- a/tools/build
+++ b/tools/build
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 set -e
-./tools/lzz -hx hh -sx cc -d -k BETTER_SQLITE3 -hl -sl -e ./src/better_sqlite3.lzz
+./tools/lzz -hx hpp -sx cpp -d -k BETTER_SQLITE3 -hl -sl -e ./src/better_sqlite3.lzz