diff --git a/share/qtcreator/debugger/lldbbridge.py b/share/qtcreator/debugger/lldbbridge.py
index d51c53b4d5be88fc4b10f2b10e7775cae1396554..235c56069b6b0ae8820d21a6b7ad63c74922e4c7 100644
--- a/share/qtcreator/debugger/lldbbridge.py
+++ b/share/qtcreator/debugger/lldbbridge.py
@@ -628,7 +628,7 @@ class Dumper(DumperBase):
                 return
             self.report('state="enginerunandinferiorstopok"')
         else:
-            launchInfo = lldb.SBLaunchInfo(self.processArgs_.split(' '))
+            launchInfo = lldb.SBLaunchInfo(self.processArgs_.split())
             launchInfo.SetWorkingDirectory(os.getcwd())
             environmentList = [key + "=" + value for key,value in os.environ.items()]
             launchInfo.SetEnvironmentEntries(environmentList, False)