diff --git a/CMakeLists.txt b/CMakeLists.txt
index e48079ff1f122014521a8aa59e1c167c170e8428..9257e58861a738e396b6215141fc50f6d00cc285 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -428,7 +428,7 @@ if (OPENDHT_C)
     )
     install (TARGETS opendht-c DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht-c)
     install (FILES ${CMAKE_CURRENT_BINARY_DIR}/opendht-c.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-    install (FILES c/opendht_c.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
+    install (FILES c/opendht_c.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include/opendht)
 endif ()
 
 if (OPENDHT_TOOLS)
diff --git a/include/opendht/scheduler.h b/include/opendht/scheduler.h
index 01cee921a47b77a1a5e0b8dbc16fee98ef5fa874..1f7b9bcc4214126fb82cff0ae495ed8ba337faa5 100644
--- a/include/opendht/scheduler.h
+++ b/include/opendht/scheduler.h
@@ -84,6 +84,7 @@ public:
      * @return The time for the next job to run.
      */
     time_point run() {
+        size_t count {0};
         while (not timers.empty()) {
             auto timer = timers.begin();
             /*
@@ -99,7 +100,9 @@ public:
 
             if (job->do_)
                 job->do_();
+            count++;
         }
+        std::cerr << "run " << count << " scheduled " << timers.size() << std::endl;
         return getNextJobTime();
     }