diff --git a/build.sbt b/build.sbt
index 0884317e221..8edb282da6b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -688,6 +688,8 @@ val generateParserJavaSources = TaskKey[Seq[File]]("generateParserJavaSources",
 }
 `syntax-rust-definition` / generateParserJavaSources / fileInputs +=
     (`syntax-rust-definition` / baseDirectory).value.toGlob / "generate-java" / "src" / ** / "*.rs"
+`syntax-rust-definition` / generateParserJavaSources / fileInputs +=
+  (`syntax-rust-definition` / baseDirectory).value.toGlob / "src" / ** / "*.rs"
 
 def generateRustParser(base: File, changes: sbt.nio.FileChanges): Seq[File] = {
   import scala.jdk.CollectionConverters._