diff --git a/common.gradle b/common.gradle
index 1e22d8510..1467bab5a 100644
--- a/common.gradle
+++ b/common.gradle
@@ -25,7 +25,9 @@ android {
         applicationIdSuffix pkgNameSuffix
         versionCode extVersionCode
         versionName project.ext.properties.getOrDefault("libVersion", "1.4") + ".$extVersionCode"
-        setProperty("archivesBaseName", "tachiyomi-$pkgNameSuffix-v$versionName")
+        base {
+            archivesName = "tachiyomi-$pkgNameSuffix-v$versionName"
+        }
         def readmes = project.projectDir.listFiles({ File file ->
             file.name == "README.md" || file.name == "CHANGELOG.md"
         } as FileFilter)
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index e3948945d..2a67ba06f 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -9,7 +9,7 @@ android {
         minSdk = AndroidConfig.minSdk
     }
 
-    namespace = "eu.kanade.tachiyomi.extension"
+    namespace = "eu.kanade.tachiyomi.extension.core"
 
     @Suppress("UnstableApiUsage")
     sourceSets {