diff --git a/buildSrc/src/main/kotlin/ort-kotlin-conventions.gradle.kts b/buildSrc/src/main/kotlin/ort-kotlin-conventions.gradle.kts
index d0747cebcd712..2c438735e89da 100644
--- a/buildSrc/src/main/kotlin/ort-kotlin-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/ort-kotlin-conventions.gradle.kts
@@ -180,8 +180,8 @@ tasks.withType<KotlinCompile>().configureEach {
 
     compilerOptions {
         allWarningsAsErrors = true
-        optIn = optInRequirements
         jvmTarget = maxKotlinJvmTarget
+        optIn = optInRequirements
     }
 }