2 files changed, 2 insertions, 2 deletions
diff --git a/sources/meta/scala/MetaFunction.java b/sources/meta/scala/MetaFunction.java
index 4f8c441e72..269cae0943 100644
--- a/sources/meta/scala/MetaFunction.java
+++ b/sources/meta/scala/MetaFunction.java
@@ -37,7 +37,7 @@ public class MetaFunction extends AbstractJavaExpander {
 
     public void printClassScalaTParams() {
         for (int i = 0; i < arity; i++)
-            writer.print("?A").print(i).print(", ");
+            writer.print("- ?A").print(i).print(", ");
         writer.print("+ ?R");
     }
 
diff --git a/sources/meta/scala/MetaTuple.java b/sources/meta/scala/MetaTuple.java
index fe34f1fa3a..3a438aa4c4 100644
--- a/sources/meta/scala/MetaTuple.java
+++ b/sources/meta/scala/MetaTuple.java
@@ -36,7 +36,7 @@ public class MetaTuple extends AbstractScalaExpander {
     public void printTParams() {
         for (int i = 1; i <= arity; i++) {
             if (i > 1) writer.print(", ");
-            writer.print("T").print(i);
+            writer.print("+ T").print(i);
         }
     }