diff --git a/src/main/kotlin/com/goodanser/clj_android/gradle/ClojureCompileTask.kt b/src/main/kotlin/com/goodanser/clj_android/gradle/ClojureCompileTask.kt
index 07c32bc..8611269 100755
--- a/src/main/kotlin/com/goodanser/clj_android/gradle/ClojureCompileTask.kt
+++ b/src/main/kotlin/com/goodanser/clj_android/gradle/ClojureCompileTask.kt
@@ -64,6 +64,16 @@ abstract class ClojureCompileTask @Inject constructor(
 
         execOperations.javaexec {
             mainClass.set("clojure.lang.Compile")
+            // Prepend the destination directory so that classes generated by
+            // earlier-compiled namespaces (e.g. gen-class'd classes such as a
+            // wallpaper Engine or Worker) are resolvable via the classloader
+            // when a later namespace references them (via :import or a direct
+            // constructor call) during its own compilation. Without this, the
+            // output dir is only the *destination* (clojure.compile.path) and
+            // is not a classpath root, so a sibling namespace's generated
+            // classes cannot be loaded — producing ClassNotFoundException at
+            // AOT time.
+            classpath(destinationDir)
             classpath(effectiveClasspath)
             systemProperty("clojure.compile.path", destDir.absolutePath)
             systemProperty(