diff --git a/examples_cuda/rt/rt.cpp b/examples_cuda/rt/rt.cpp
index d4a9ba51..391de7f2 100644
--- a/examples_cuda/rt/rt.cpp
+++ b/examples_cuda/rt/rt.cpp
@@ -263,7 +263,7 @@ int main(int argc, char *argv[]) {
     raytrace_ispc_tasks(width, height, baseWidth, baseHeight, raster2camera,
         camera2world, image, id, nodes, triangles);
     double dt = rtc() - t0; //get_elapsed_mcycles();
-    minTimeISPCtasks = std::min(dt, minTimeISPCtasks);
+    minTimeISPCtasks = std::min(1e3*dt, minTimeISPCtasks);
   }
   fprintf(stderr, "[rt ispc + tasks]:\t\t[%.3f] million cycles for %d x %d image\n", 
       minTimeISPCtasks, width, height);
diff --git a/examples_cuda/rt/rt_cu.cpp b/examples_cuda/rt/rt_cu.cpp
index 42b52fc0..b8447b83 100644
--- a/examples_cuda/rt/rt_cu.cpp
+++ b/examples_cuda/rt/rt_cu.cpp
@@ -518,7 +518,7 @@ int main(int argc, char *argv[]) {
       &d_raster2camera, &d_camera2world,
       &d_image, &d_id,
       &d_nodes, &d_triangles};
-    const double dt = CUDALaunch(NULL, func_name, func_args);
+    const double dt = 1e3*CUDALaunch(NULL, func_name, func_args);
 #endif
     minTimeISPCtasks = std::min(dt, minTimeISPCtasks);
   }