diff --git a/stripe.go b/stripe.go
index 2ac496b5f3..1040ac267d 100644
--- a/stripe.go
+++ b/stripe.go
@@ -111,8 +111,8 @@ type Backends struct {
 type stripeClientUserAgent struct {
 	Application     *AppInfo `json:"application"`
 	BindingsVersion string   `json:"bindings_version"`
-	Language        string   `json:"language"`
-	LanguageVersion string   `json:"language_version"`
+	Language        string   `json:"lang"`
+	LanguageVersion string   `json:"lang_version"`
 	Publisher       string   `json:"publisher"`
 	Uname           string   `json:"uname"`
 }
diff --git a/stripe_test.go b/stripe_test.go
index 9dc023f8b7..41ca451dc3 100644
--- a/stripe_test.go
+++ b/stripe_test.go
@@ -170,12 +170,12 @@ func TestStripeClientUserAgent(t *testing.T) {
 	//
 
 	assert.Empty(t, userAgent["application"])
-	assert.Equal(t, "go", userAgent["language"])
-	assert.Equal(t, runtime.Version(), userAgent["language_version"])
+	assert.Equal(t, "go", userAgent["lang"])
+	assert.Equal(t, runtime.Version(), userAgent["lang_version"])
 
 	// Anywhere these tests are running can reasonable be expected to have a
 	// `uname` to run, so do this basic check.
-	assert.NotEqual(t, stripe.UnknownPlatform, userAgent["language_version"])
+	assert.NotEqual(t, stripe.UnknownPlatform, userAgent["lang_version"])
 }
 
 func TestStripeClientUserAgentWithAppInfo(t *testing.T) {