diff --git a/card.io/build.gradle b/card.io/build.gradle
index c0b50907..0ef982ef 100644
--- a/card.io/build.gradle
+++ b/card.io/build.gradle
@@ -8,9 +8,6 @@ repositories {
 }
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
-
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion rootProject.ext.sdkVersion
@@ -24,14 +21,14 @@ android {
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
-
     resourcePrefix 'cio_'
-
     externalNativeBuild {
         ndkBuild {
             path 'src/main/jni/Android.mk'
         }
     }
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'
 }
 
 dependencies {
diff --git a/card.io/src/main/jni/Application.mk b/card.io/src/main/jni/Application.mk
index 729e312e..76ac4ca4 100644
--- a/card.io/src/main/jni/Application.mk
+++ b/card.io/src/main/jni/Application.mk
@@ -2,7 +2,7 @@
 #
 # See the file "LICENSE.md" for the full license governing this code.
 
-APP_STL := c++_shared
+APP_STL := gnustl_static
 APP_PLATFORM := android-16
 
 NDK_TOOLCHAIN_VERSION := clang