diff --git a/api/common.go b/api/common.go
index fb3eefaca0..a96a4066ac 100644
--- a/api/common.go
+++ b/api/common.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"mime"
 	"os"
-	"path"
+	"path/filepath"
 	"strings"
 
 	log "github.com/Sirupsen/logrus"
@@ -55,7 +55,7 @@ func MatchesContentType(contentType, expectedType string) bool {
 // LoadOrCreateTrustKey attempts to load the libtrust key at the given path,
 // otherwise generates a new one
 func LoadOrCreateTrustKey(trustKeyPath string) (libtrust.PrivateKey, error) {
-	err := os.MkdirAll(path.Dir(trustKeyPath), 0700)
+	err := os.MkdirAll(filepath.Dir(trustKeyPath), 0700)
 	if err != nil {
 		return nil, err
 	}