diff --git a/setup.py b/setup.py
index d269680..417571d 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 MAJOR = 4
 MINOR = 7
-PATCH = 2
+PATCH = 3
 VERSION = "{}.{}.{}".format(MAJOR, MINOR, PATCH)
 
 with open("ttclust/version.py", "w") as f:
diff --git a/ttclust/ttclust.py b/ttclust/ttclust.py
index e76a3c5..9340a13 100644
--- a/ttclust/ttclust.py
+++ b/ttclust/ttclust.py
@@ -321,7 +321,7 @@ def parseArg():
         pass
     arguments.add_argument('-f', "--traj", help="trajectory file(s). You can give a list of files.", required=True, nargs='+')
     arguments.add_argument('-t', '--top', help="topfile", default=None)
-    arguments.add_argument('-s', '--stride', help="stride (read every Xth frames", default=1)
+    arguments.add_argument('-s', '--stride', help="stride (read every Xth frames", default=1,type = int)
     arguments.add_argument('-l', '--logfile', help="logfile (default : clustering.log). The "
                                                    "name of your output file will be the basename (name before the extention "
                                                    "of this logfile", default="clustering")
diff --git a/ttclust/version.py b/ttclust/version.py
index 64f6e28..9272a2a 100644
--- a/ttclust/version.py
+++ b/ttclust/version.py
@@ -1 +1 @@
-__version__ = '4.7.2'
+__version__ = '4.7.3'