diff --git a/process.go b/process.go
index cf2aa028..7d2ae914 100644
--- a/process.go
+++ b/process.go
@@ -24,8 +24,9 @@ type Process struct {
 
 // execPath: command name
 // args: args to command. (should not include name)
-func StartProcess(label string, execPath string, args []string, inFile io.Reader, outFile io.WriteCloser) (*Process, error) {
+func StartProcess(label string, dir string, execPath string, args []string, inFile io.Reader, outFile io.WriteCloser) (*Process, error) {
 	cmd := exec.Command(execPath, args...)
+	cmd.Dir = dir
 	cmd.Stdout = outFile
 	cmd.Stderr = outFile
 	cmd.Stdin = inFile
diff --git a/util.go b/util.go
index 4763ff71..4976e46e 100644
--- a/util.go
+++ b/util.go
@@ -5,9 +5,9 @@ import (
 )
 
 // Runs a command and gets the result.
-func Run(command string, args []string) (string, bool, error) {
+func Run(dir string, command string, args []string) (string, bool, error) {
 	outFile := NewBufferCloser(nil)
-	proc, err := StartProcess("", command, args, nil, outFile)
+	proc, err := StartProcess("", dir, command, args, nil, outFile)
 	if err != nil {
 		return "", false, err
 	}