diff --git a/main/src/main/java/sbt/internal/MetaBuildLoader.java b/main/src/main/java/sbt/internal/MetaBuildLoader.java
index f9cc8b9c7..dd4c9a4b7 100644
--- a/main/src/main/java/sbt/internal/MetaBuildLoader.java
+++ b/main/src/main/java/sbt/internal/MetaBuildLoader.java
@@ -65,7 +65,7 @@ public final class MetaBuildLoader extends URLClassLoader {
    */
   public static MetaBuildLoader makeLoader(final AppProvider appProvider) throws IOException {
     final String jlineJars = "jline-?[0-9.]+-sbt-.*|jline-terminal(-(jna|jansi))?-[0-9.]+";
-    final String testInterfaceJars = "test-interface-[0-9.]+";
+    final String testInterfaceJars = "test-interface(-.*)?";
     final String compilerInterfaceJars = "compiler-interface(-.*)?";
     final String jansiJars = "jansi-[0-9.]+";
     final String jnaJars = "jna-(platform-)?[0-9.]+";