diff --git a/benchmark.py b/benchmark.py
index 914df8f8c..eb70839b7 100644
--- a/benchmark.py
+++ b/benchmark.py
@@ -98,13 +98,13 @@ def readBenchmarkConfig(config):
 	instancesFile = os.path.join(config["storage"]["local"], "instances.yml")
 
 	with open(instancesFile, "r") as stream:
-		instances = yaml.load(stream, Loader=yaml.CLoader)
+		instances = yaml.load(stream, Loader = yaml.CLoader)
 
 	# read configurations to test
 	configurationsFile = os.path.join(config["storage"]["local"], "configurations.yml")
 
 	with open(configurationsFile, "r") as stream:
-		configurations = yaml.load(stream, Loader=yaml.CLoader)
+		configurations = yaml.load(stream, Loader = yaml.CLoader)
 
 	# flatten lists of options
 	for configuration in configurations["configurations"]:
@@ -262,7 +262,7 @@ def runJob(configuration, instance, config):
 
 def main():
 	with open("config.yml", "r") as stream:
-		config = yaml.load(stream, Loader=yaml.CLoader)
+		config = yaml.load(stream, Loader = yaml.CLoader)
 
 	atexit.register(writeStatus, "benchmark runner exited", config)