diff --git a/src/program.c b/src/program.c
index a044811..a6431e8 100644
--- a/src/program.c
+++ b/src/program.c
@@ -115,3 +115,8 @@ void program_handle_windowevent(SDL_WindowEvent* event) {
             break;
     }
 }
+
+inline
+float delta_time() {
+    return _delta_time;
+}
diff --git a/src/program.h b/src/program.h
index 7c1b355..186ef83 100644
--- a/src/program.h
+++ b/src/program.h
@@ -27,4 +27,6 @@ extern void program_quit();
 extern void program_handle_events();
 extern void program_handle_windowevent(SDL_WindowEvent* event);
 
+extern float delta_time();
+
 #endif // !_fencer_program_h