diff --git a/cocluto/quman.py b/cocluto/quman.py
index 973dd67..5a01070 100755
--- a/cocluto/quman.py
+++ b/cocluto/quman.py
@@ -98,7 +98,7 @@ class Sge(IGridEngine):
         if not self.dry_run:
             # check that qmod command is available
             try:
-                subprocess.run(["qmod", "-h"], check=True, capture_output=True)
+                subprocess.run(["qmod", "-help"], check=True, capture_output=True)
             except FileNotFoundError as exc:
                 raise RuntimeError("qmod command not found. Please make sure that the grid engine client is installed and qmod command is available in the PATH.") from exc
 
diff --git a/cocluto/version.py b/cocluto/version.py
index 8d2e3cb..f742e50 100644
--- a/cocluto/version.py
+++ b/cocluto/version.py
@@ -1,4 +1,4 @@
-__version__ = '1.0.22'
+__version__ = '1.0.23'
 
 
 class Version(object):