diff --git a/lib/http/websockets.go b/lib/http/websockets.go
index 54178e5b..c759b193 100644
--- a/lib/http/websockets.go
+++ b/lib/http/websockets.go
@@ -9,6 +9,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"regexp"
+	"runtime"
 	"strings"
 	"time"
 
@@ -26,6 +27,22 @@ var (
 	cmdNotAllowed     = []byte("Command not allowed.")
 )
 
+var commandShell []string
+
+func init() {
+	if runtime.GOOS != "windows" {
+		path, err := exec.LookPath("bash")
+
+		if err != nil {
+			path, err = exec.LookPath("sh")
+		}
+
+		if err != nil {
+			commandShell = []string{path, "-c"}
+		}
+	}
+}
+
 // command handles the requests for VCS related commands: git, svn and mercurial
 func command(c *fb.Context, w http.ResponseWriter, r *http.Request) (int, error) {
 	// Upgrades the connection to a websocket and checks for fb.Errors.
@@ -87,6 +104,10 @@ func command(c *fb.Context, w http.ResponseWriter, r *http.Request) (int, error)
 	path = filepath.Clean(path)
 	buff := new(bytes.Buffer)
 
+	if len(commandShell) == 0 {
+		command = append(commandShell, command...)
+	}
+
 	// Sets up the command executation.
 	cmd := exec.Command(command[0], command[1:]...)
 	cmd.Dir = path