diff --git a/benchmark/space/__init__.py b/benchmark/space/__init__.py
index e27f0d9..51ba20b 100644
--- a/benchmark/space/__init__.py
+++ b/benchmark/space/__init__.py
@@ -889,7 +889,7 @@ def cl_query_executable_get():
 
 def query_opencl_compute_units():
     binary = cl_query_executable_get()
-    output = subprocess.check_output([binary])
+    output = subprocess.run([binary], stdout=subprocess.PIPE).stdout
     lines = output.splitlines()
     compute_units = []
     for line in lines: