diff --git a/twidere.component.common/build.gradle b/twidere.component.common/build.gradle
index d291b32c6..0a025df0e 100644
--- a/twidere.component.common/build.gradle
+++ b/twidere.component.common/build.gradle
@@ -67,6 +67,7 @@ android {
     }
 
     compileOptions {
+        encoding = 'UTF-8'
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
diff --git a/twidere.component.nyan/build.gradle b/twidere.component.nyan/build.gradle
index ba2fc3d17..afe678fbf 100644
--- a/twidere.component.nyan/build.gradle
+++ b/twidere.component.nyan/build.gradle
@@ -31,6 +31,7 @@ android {
     }
 
     compileOptions {
+        encoding = 'UTF-8'
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
diff --git a/twidere/build.gradle b/twidere/build.gradle
index 49b7e9387..cf2112520 100644
--- a/twidere/build.gradle
+++ b/twidere/build.gradle
@@ -111,6 +111,7 @@ android {
     }
 
     compileOptions {
+        encoding = 'UTF-8'
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }