diff --git a/bin/kafka-run-class.sh b/bin/kafka-run-class.sh
index 0ea8b831946..354e10650ee 100755
--- a/bin/kafka-run-class.sh
+++ b/bin/kafka-run-class.sh
@@ -32,7 +32,7 @@ if [ -z "$INCLUDE_TEST_JARS" ]; then
 fi
 
 # Exclude jars not necessary for running commands.
-regex="(-(test|src|scaladoc|javadoc)\.jar|jar.asc)$"
+regex="(-(test|test-sources|src|scaladoc|javadoc)\.jar|jar.asc)$"
 should_include_file() {
   if [ "$INCLUDE_TEST_JARS" = true ]; then
     return 0