diff --git a/src/utils.cpp b/src/utils.cpp
index 1b3be38..8d0d073 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -34,6 +34,10 @@ void term::progress(int prefixlen,
                     double cur,
                     double total) const
 {
+    progress(prefixlen, prefix, cur / total);
+}
+
+void term::progress(int prefixlen, const std::string& prefix, double fraction) const {
     if (!_isatty) return;
 
     // use unicode to make nice bar
@@ -41,12 +45,12 @@ void term::progress(int prefixlen,
         u8"\u258F", u8"\u258E", u8"\u258D", u8"\u258C",
         u8"\u258B", u8"\u258A", u8"\u2589", u8"\u2588"
     };
-    if (cur > total) cur = total;
+    if (fraction > 1) fraction = 1.0;
     int perclen = 5;
     int barwidth = cols() - perclen - prefixlen - 1;
     int maxsteps = barwidth * 8;
-    int steps = round(cur * maxsteps / total);
-    int perc = round(100 * cur / total);
+    int steps = round(fraction * maxsteps);
+    int perc = round(100 * fraction);
     int fill_len = barwidth - steps / 8;
     *_out << '\r' << std::setw(prefixlen) << prefix.substr(0, prefixlen) << ' ' << io::grayf(8);
     for (int i = 0; i < steps / 8; ++i) {
diff --git a/src/utils.hpp b/src/utils.hpp
index e4c6467..f43a589 100644
--- a/src/utils.hpp
+++ b/src/utils.hpp
@@ -25,6 +25,10 @@ namespace sc {
                           double cur,
                           double total) const;
 
+            void progress(int prefixlen,
+                          const std::string& prefix,
+                          double fraction) const;
+
             static bool has_truecolor();
     };