diff --git a/include/indicators/multi_progress.hpp b/include/indicators/multi_progress.hpp
index 08e8ec0..4dcc698 100644
--- a/include/indicators/multi_progress.hpp
+++ b/include/indicators/multi_progress.hpp
@@ -27,14 +27,13 @@ SOFTWARE.
 #pragma once
 #define NOMINMAX
 #include <functional>
-#include <indicators/progress_bar.hpp>
 #include <vector>
 
 namespace indicators {
 
-template <size_t count> class MultiProgress {
+  template <typename Indicator, size_t count> class MultiProgress {
 public:
-  void add_progress_bar(ProgressBar &bar) {
+  void add_progress_bar(Indicator &bar) {
     _bars.push_back(bar);
     bar._multi_progress_mode = true;
   }
@@ -60,7 +59,7 @@ public:
 private:
   std::atomic<bool> _started{false};
   std::mutex _mutex;
-  std::vector<std::reference_wrapper<ProgressBar>> _bars;
+  std::vector<std::reference_wrapper<Indicator>> _bars;
 
   bool _all_completed() {
     bool result{true};
diff --git a/include/indicators/progress_bar.hpp b/include/indicators/progress_bar.hpp
index 7de6f81..ccc0dea 100644
--- a/include/indicators/progress_bar.hpp
+++ b/include/indicators/progress_bar.hpp
@@ -147,7 +147,7 @@ private:
   std::mutex _mutex;
   Color _foreground_color{indicators::Color::WHITE};
 
-  template <size_t count> friend class MultiProgress;
+  template <typename Indicator, size_t count> friend class MultiProgress;
   std::atomic<bool> _multi_progress_mode{false};
 
   std::ostream &_print_duration(std::ostream &os, std::chrono::nanoseconds ns) {
diff --git a/samples/multi_progress.cpp b/samples/multi_progress.cpp
index 7623087..c40d48d 100644
--- a/samples/multi_progress.cpp
+++ b/samples/multi_progress.cpp
@@ -1,3 +1,4 @@
+#include <indicators/progress_bar.hpp>
 #include <indicators/multi_progress.hpp>
 
 int main() {
@@ -38,7 +39,7 @@ int main() {
   bar3.show_remaining_time();
   bar3.set_prefix_text("Progress Bar #3 ");
 
-  indicators::MultiProgress<3> bars;
+  indicators::MultiProgress<indicators::ProgressBar, 3> bars;
   bars.add_progress_bar(bar1);
   bars.add_progress_bar(bar2);
   bars.add_progress_bar(bar3);