1 files changed, 3 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js
index c24510f6..b9922e18 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3114,7 +3114,9 @@ merge(Compressor.prototype, {
                     var comp = new Compressor(compressor.options);
                     ast = ast.transform(comp);
                     ast.figure_out_scope(mangle);
-                    ast.mangle_names();
+                    base54.reset();
+                    ast.compute_char_frequency(mangle);
+                    ast.mangle_names(mangle);
                     var fun;
                     ast.walk(new TreeWalker(function(node) {
                         if (fun) return true;