diff --git a/cobra/cmd/helpers.go b/cobra/cmd/helpers.go
index 6989bd78..db03dd2a 100644
--- a/cobra/cmd/helpers.go
+++ b/cobra/cmd/helpers.go
@@ -97,13 +97,27 @@ func guessCmdDir() string {
 func guessImportPath() string {
 	guessProjectPath()
 
-	if !strings.HasPrefix(projectPath, getSrcPath()) {
+	if !inPath(getSrcPath(), projectPath) {
 		er("Cobra only supports project within $GOPATH")
 	}
 
 	return filepath.ToSlash(filepath.Clean(strings.TrimPrefix(projectPath, getSrcPath())))
 }
 
+func inPath(srcPath, projectPath string) bool {
+	relPath, err := filepath.Rel(srcPath, projectPath)
+	if err != nil {
+		return false
+	}
+
+	splitRelPath := filepath.SplitList(relPath)
+	if splitRelPath[0] == ".." || splitRelPath[0] == "." {
+		return false
+	}
+
+	return true
+}
+
 func getSrcPath() string {
 	return filepath.Join(os.Getenv("GOPATH"), "src") + string(os.PathSeparator)
 }
diff --git a/cobra/cmd/helpers_test.go b/cobra/cmd/helpers_test.go
index bce94719..bf8789b5 100644
--- a/cobra/cmd/helpers_test.go
+++ b/cobra/cmd/helpers_test.go
@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"path/filepath"
+	"runtime"
 	"testing"
 )
 
@@ -33,3 +34,37 @@ func TestProjectPath(t *testing.T) {
 	checkGuess(t, "/bar/foo/commands", "", filepath.Join("/", "bar", "foo"))
 	checkGuess(t, "github.com/spf13/hugo/../hugo", "", filepath.Join("github.com", "spf13", "hugo"))
 }
+
+type inPathTestCase struct {
+	Src    string
+	Prj    string
+	InPath bool
+}
+
+func TestInPath(t *testing.T) {
+	cases := []inPathTestCase{
+		{"/bar/foo", "/bar/foo", false},
+		{"/bar/foo", "/bar/foo/baz", true},
+		{"/bar/foo/baz", "/bar/foo", false},
+		{"/bar/foo", "/bar/foo/.wierd..dirname/", true},
+	}
+	if runtime.GOOS == "windows" {
+		cases = append(
+			cases,
+			inPathTestCase{"C:/Bar/foo", "c:/bar/foo/baz", true},
+			inPathTestCase{"c:\\bar\\foo", "C:\\bar\\foo", false},
+			inPathTestCase{"c:\\bar\\..\\bar\\foo", "C:\\bar\\foo\\baz", true},
+		)
+	}
+
+	for _, tc := range cases {
+		ip := inPath(tc.Src, tc.Prj)
+		if tc.InPath != ip {
+			if ip {
+				t.Errorf("Unexpected %s determined as not inside %s", tc.Prj, tc.Src)
+			} else {
+				t.Errorf("Unexpected %s determined as inside %s", tc.Prj, tc.Src)
+			}
+		}
+	}
+}