diff --git a/benchmark/run b/benchmark/run
index d35bc6f..68e5353 100755
--- a/benchmark/run
+++ b/benchmark/run
@@ -8,7 +8,7 @@ var PEG = require("../lib/peg");
   "benchmarks.js",
   "runner.js",
 ].forEach(function(file) {
-  eval(fs.readFileSync(file, "utf8"));
+  eval(fs.readFileSync(__dirname + "/" + file, "utf8"));
 });
 
 /* Results Table Manipulation */
@@ -105,7 +105,7 @@ sys.puts("");
 
 Runner.run(benchmarks, runCount, {
   readFile: function(file) {
-    return fs.readFileSync(file, "utf8");
+    return fs.readFileSync(__dirname + "/" + file, "utf8");
   },
 
   testStart: function(benchmark, test) {
diff --git a/test/run b/test/run
index b81044a..e8ee09e 100755
--- a/test/run
+++ b/test/run
@@ -81,7 +81,7 @@ QUnit.done = function(details) {
   "passes-test.js",
   "compiler-test.js",
 ].forEach(function(file) {
-  eval("with (QUnit) {" + fs.readFileSync(file, "utf8") + "}");
+  eval("with (QUnit) {" + fs.readFileSync(__dirname + "/" + file, "utf8") + "}");
 });
 
 QUnit.start();