diff --git a/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalInternalClient.kt b/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalInternalClient.kt
index 07564ca467..ff1616de41 100644
--- a/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalInternalClient.kt
+++ b/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalInternalClient.kt
@@ -44,8 +44,8 @@ internal class PayPalInternalClient(
                 val url = "/v1/$endpoint"
                 val appLinkReturn = if (isBillingAgreement) appLink else null
 
-                if (isBillingAgreement) {
-                    (payPalRequest as PayPalVaultRequest).enablePayPalAppSwitch = isPayPalInstalled(context)
+                if (isBillingAgreement && (payPalRequest as PayPalVaultRequest).enablePayPalAppSwitch) {
+                    payPalRequest.enablePayPalAppSwitch = isPayPalInstalled(context)
                 }
 
                 val requestBody = payPalRequest.createRequestBody(
diff --git a/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalVaultRequest.kt b/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalVaultRequest.kt
index fc875a8f0e..140a31dd43 100644
--- a/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalVaultRequest.kt
+++ b/PayPal/src/main/java/com/braintreepayments/api/paypal/PayPalVaultRequest.kt
@@ -89,7 +89,7 @@ class PayPalVaultRequest
 
         if (enablePayPalAppSwitch && !appLink.isNullOrEmpty() && !userAuthenticationEmail.isNullOrEmpty()) {
             parameters.put(ENABLE_APP_SWITCH_KEY, enablePayPalAppSwitch)
-            parameters.put(OS_VERSION_KEY, Build.VERSION.SDK_INT)
+            parameters.put(OS_VERSION_KEY, Build.VERSION.SDK_INT.toString())
             parameters.put(OS_TYPE_KEY, "Android")
             parameters.put(MERCHANT_APP_RETURN_URL_KEY, appLink)
         }
diff --git a/PayPal/src/test/java/com/braintreepayments/api/paypal/PayPalVaultRequestUnitTest.java b/PayPal/src/test/java/com/braintreepayments/api/paypal/PayPalVaultRequestUnitTest.java
index 2607c98efc..04a0cd475f 100644
--- a/PayPal/src/test/java/com/braintreepayments/api/paypal/PayPalVaultRequestUnitTest.java
+++ b/PayPal/src/test/java/com/braintreepayments/api/paypal/PayPalVaultRequestUnitTest.java
@@ -123,7 +123,7 @@ public void createRequestBody_sets_userAuthenticationEmail_when_not_null() throw
 
     @Test
     public void createRequestBody_sets_enablePayPalSwitch_and_userAuthenticationEmail_not_null() throws JSONException {
-        int versionSDK = Build.VERSION.SDK_INT;
+        String versionSDK = String.valueOf(Build.VERSION.SDK_INT);
         String payerEmail = "payer_email@example.com";
         PayPalVaultRequest request = new PayPalVaultRequest(true);
 
@@ -139,7 +139,7 @@ public void createRequestBody_sets_enablePayPalSwitch_and_userAuthenticationEmai
 
         assertTrue(requestBody.contains("\"launch_paypal_app\":true"));
         assertTrue(requestBody.contains("\"os_type\":" + "\"Android\""));
-        assertTrue(requestBody.contains("\"os_version\":" + versionSDK));
+        assertTrue(requestBody.contains("\"os_version\":" + "\"" + versionSDK + "\""));
         assertTrue(requestBody.contains("\"merchant_app_return_url\":" + "\"universal_url\""));
     }
 }