diff --git a/java/java.go b/java/java.go
index ae48bd6..3bd07df 100644
--- a/java/java.go
+++ b/java/java.go
@@ -782,6 +782,7 @@
 		kotlinSrcFiles = append(kotlinSrcFiles, uniqueSrcFiles...)
 		kotlinSrcFiles = append(kotlinSrcFiles, srcFiles.FilterByExt(".kt")...)
 
+		flags.kotlincClasspath = append(flags.kotlincClasspath, deps.bootClasspath...)
 		flags.kotlincClasspath = append(flags.kotlincClasspath, deps.kotlinStdlib...)
 		flags.kotlincClasspath = append(flags.kotlincClasspath, deps.classpath...)