diff --git a/avocado/utils/process.py b/avocado/utils/process.py
index 1ba73e14f715e955ed9430328cc79c616441f0e2..1bdbf2209eae4c602e8b4f1295918603cbc66db4 100644
--- a/avocado/utils/process.py
+++ b/avocado/utils/process.py
@@ -282,7 +282,7 @@ class SubProcess(object):
                                                env=self.env)
             except OSError, details:
                 if details.errno == 2:
-                    exc = OSError("File '%s' not found" % self.cmd.split[0])
+                    exc = OSError("File '%s' not found" % self.cmd.split()[0])
                     exc.errno = 2
                     raise exc
                 else: