diff --git a/src/main.c b/src/main.c
index 56e23b0..67bc0f3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -34,7 +34,7 @@ int main(void) {
       cairo_paint(ctx.cairo);
     }
     cairo_flush(&ctx);
-    usleep(1000);
+    usleep(1000000 / 60.0);
   }
 
   return EXIT_SUCCESS;