diff --git a/src/utils.cpp b/src/utils.cpp
index 7080c81..fa7ad33 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -43,7 +43,7 @@ void term::progress(int prefixlen,
     int steps = round(cur * maxsteps / total);
     int perc = round(100 * cur / total);
     int fill_len = barwidth - steps / 8;
-    *_out << '\r' << std::setw(prefixlen) << prefix << ' ';
+    *_out << '\r' << std::setw(prefixlen) << prefix.substr(0, prefixlen) << ' ';
     grayf(8);
     for (int i = 0; i < steps / 8; ++i) {
         *_out << bar[7];