diff --git a/src/Driver.rsc b/src/Driver.rsc
index a2a7c13..b174ac9 100644
--- a/src/Driver.rsc
+++ b/src/Driver.rsc
@@ -78,6 +78,7 @@ public void executeTransformations(list[loc] files, int percent, bool verbose, t
   int acc = 0;
   for(file <- files) {
      contents = readFile(file);
+     int iAcc = 1;
      try {
        unit = parse(#CompilationUnit, contents);
        tuple[int, CompilationUnit] res = transformation(unit);