diff --git a/themr/src/main/kotlin/com/github/ouchadam/themr/ThemrPlugin.kt b/themr/src/main/kotlin/com/github/ouchadam/themr/ThemrPlugin.kt
index bc52a1c..afb0436 100644
--- a/themr/src/main/kotlin/com/github/ouchadam/themr/ThemrPlugin.kt
+++ b/themr/src/main/kotlin/com/github/ouchadam/themr/ThemrPlugin.kt
@@ -1,6 +1,7 @@
 package com.github.ouchadam.themr
 
 import com.android.build.gradle.AppPlugin
+import com.android.build.gradle.LibraryPlugin
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.w3c.dom.Element
@@ -17,6 +18,12 @@ class ThemrPlugin : Plugin<Project> {
       }
     }
 
+    project.plugins.withType(LibraryPlugin::class.java) { plugin ->
+      plugin.extension.sourceSets {
+        it.getByName("main").res.srcDirs(project.file("build/generated/res/themr"))
+      }
+    }
+
     project.task("themrGenerateThemes") {
       it.doLast {
         val styles: Map<String, Style> = readThemeStyles(project.file("src/main/res/values/${extension.source}.xml"))