diff --git a/src/benchmark.py b/src/benchmark.py
index 4737799a7b107a1a20cdd9fef94bd513a9001b1a..f904c7a887695e8d8cf1dd790282c6b4a1a549ed 100644
--- a/src/benchmark.py
+++ b/src/benchmark.py
@@ -236,7 +236,7 @@ class Benchmark (object):
                                                 stdout=subprocess.PIPE,
                                                 universal_newlines=True).stdout.split()[1]
 
-                        actual_cmd = "{} {} {} {}{}".format(self.measure_cmd,
+                        actual_cmd = "{} {} {}{}".format(self.measure_cmd,
                                                             t["cmd_prefix"],
                                                             binary,
                                                             actual_cmd[cmd_start:])