diff --git a/build.gradle.kts b/build.gradle.kts
index a772464..a6d43ef 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -24,6 +24,7 @@ kotlin {
                 progressiveMode = true
             }
             with(kotlinOptions) {
+                moduleKind = "plain"
                 freeCompilerArgs = freeCompilerArgs + listOf(
                     "-Xopt-in=kotlin.RequiresOptIn",
                     "-Xopt-in=kotlin.js.ExperimentalJsExport",