diff --git a/HySoP/hysop/gpu/kernel_benchmark.py b/HySoP/hysop/gpu/kernel_benchmark.py
index 9578d53585a6025afb78344552bd0805315886eb..366c89f80d849b47d7d2e07a766268a0d2faf9e9 100644
--- a/HySoP/hysop/gpu/kernel_benchmark.py
+++ b/HySoP/hysop/gpu/kernel_benchmark.py
@@ -348,7 +348,7 @@ class Benchmark(object):
                     100. * mem_used / (self.device.global_mem_size * 1.),
                     mem_used / (1024. ** 3))
                 self.queue.finish()
-                print size, clkernelArgs,
+                print size, clkernelArgs[0:2],
                 kernel(self.queue, *tuple(clkernelArgs))
                 self.queue.finish()
                 cl.enqueue_copy(self.queue, res, clkernelArgs[ind_res])