diff --git a/Makefile b/Makefile
index 75a8fc8..8752343 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,6 @@ script.js:
 	mv sr9.wasm _site/sr9.wasm
 
 sr9.wasm:
-	cd src
-	emcc sr9.c
+	emcc src/sr9.c
 	touch sr9.wasm
 	touch sr9.js
diff --git a/src/sr9.c b/src/sr9.c
index ade45c7..1d14b5a 100644
--- a/src/sr9.c
+++ b/src/sr9.c
@@ -1,4 +1,4 @@
-#include "proj.h"
+#include "src/proj.h"
 #include <stdio.h>
  
 int main(void) {
diff --git a/tsconfig.json b/tsconfig.json
index 373a9be..c5efa76 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
    "compilerOptions": {
-     "target": "es5",
+     "target": "es2015",
      "module": "es2015",
      "lib": ["es2015", "dom"],
      "strict": true,