diff --git a/kopy-gradle-plugin/testFunctional/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePluginTest.kt b/kopy-gradle-plugin/testFunctional/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePluginTest.kt
index 0f3438c..83155ef 100644
--- a/kopy-gradle-plugin/testFunctional/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePluginTest.kt
+++ b/kopy-gradle-plugin/testFunctional/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePluginTest.kt
@@ -7,7 +7,7 @@ import org.junit.jupiter.api.Test
 internal class KopyGradlePluginTest : GradleTestKitTest() {
 
     @Test
-    fun `kotlin multiplatform empty`() = gradleTestKitTest("kotlin-multiplatform-empty") {
+    fun `kotlin multiplatform`() = gradleTestKitTest("kotlin-multiplatform") {
         gradlew("assemble").output.shouldContain("BUILD SUCCESSFUL")
     }
 
diff --git a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/build.gradle.kts b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/build.gradle.kts
new file mode 100644
index 0000000..50fb6da
--- /dev/null
+++ b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/build.gradle.kts
@@ -0,0 +1,3 @@
+plugins {
+    id("org.jetbrains.kotlin.multiplatform") apply false
+}
diff --git a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform-empty/build.gradle.kts b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-a/build.gradle.kts
similarity index 75%
rename from kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform-empty/build.gradle.kts
rename to kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-a/build.gradle.kts
index 54627c1..11a4dc2 100644
--- a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform-empty/build.gradle.kts
+++ b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-a/build.gradle.kts
@@ -4,8 +4,10 @@ plugins {
 }
 
 kotlin {
+    jvm()
     linuxArm64()
-    linuxX64()
+    macosArm64()
+    mingwX64()
 }
 
 kopy {
diff --git a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-a/src/main/kotlin/A.kt b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-a/src/main/kotlin/A.kt
new file mode 100644
index 0000000..3fba6dd
--- /dev/null
+++ b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-a/src/main/kotlin/A.kt
@@ -0,0 +1,18 @@
+package com.javiersc.kotlin.kopy.functional.test.lib.a
+
+import com.javiersc.kotlin.kopy.Kopy
+
+fun a() {
+    val house = House(
+        squareMeters = 53,
+        kitchen = Kitchen(
+            squareMeters = 10,
+        ),
+    )
+    house.copy {
+        kitchen.squareMeters = 77
+    }
+}
+
+@Kopy data class House(val squareMeters: Int, val kitchen: Kitchen)
+@Kopy data class Kitchen(val squareMeters: Int)
diff --git a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-b/build.gradle.kts b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-b/build.gradle.kts
new file mode 100644
index 0000000..d135e4e
--- /dev/null
+++ b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-b/build.gradle.kts
@@ -0,0 +1,23 @@
+plugins {
+    id("com.javiersc.kotlin.kopy")
+    id("org.jetbrains.kotlin.multiplatform")
+}
+
+kotlin {
+    jvm()
+    linuxArm64()
+    macosArm64()
+    mingwX64()
+
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation(project(":lib-a"))
+            }
+        }
+    }
+}
+
+kopy {
+
+}
diff --git a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-b/src/main/kotlin/B.kt b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-b/src/main/kotlin/B.kt
new file mode 100644
index 0000000..9972914
--- /dev/null
+++ b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/lib-b/src/main/kotlin/B.kt
@@ -0,0 +1,21 @@
+package com.javiersc.kotlin.kopy.functional.test.lib.b
+
+import com.javiersc.kotlin.kopy.functional.test.lib.a.House
+import com.javiersc.kotlin.kopy.functional.test.lib.a.Kitchen
+import com.javiersc.kotlin.kopy.Kopy
+
+fun b() {
+    val street = Street(
+        house = House(
+            squareMeters = 53,
+            kitchen = Kitchen(
+                squareMeters = 10,
+            ),
+        ),
+    )
+    street.copy {
+        house.kitchen.squareMeters = 77
+    }
+}
+
+@Kopy data class Street(val house: House)
diff --git a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform-empty/settings.gradle.kts b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/settings.gradle.kts
similarity index 93%
rename from kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform-empty/settings.gradle.kts
rename to kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/settings.gradle.kts
index f23f154..0218724 100644
--- a/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform-empty/settings.gradle.kts
+++ b/kopy-gradle-plugin/testFunctional/resources/kotlin-multiplatform/settings.gradle.kts
@@ -24,3 +24,8 @@ dependencyResolutionManagement {
         }
     }
 }
+
+include(
+    ":lib-a",
+    // ":lib-b",
+)