diff --git a/MotionDetector.py b/MotionDetector.py
index 3993362..6709e39 100644
--- a/MotionDetector.py
+++ b/MotionDetector.py
@@ -40,7 +40,7 @@ def __init__(self,threshold=8, doRecord=True, showWindows=True):
         
     def initRecorder(self): #Create the recorder
         codec = cv.CV_FOURCC('M', 'J', 'P', 'G') #('W', 'M', 'V', '2')
-        self.writer=cv.CreateVideoWriter(datetime.now().strftime("%b-%d_%H:%M:%S")+".wmv", codec, 5, cv.GetSize(self.frame), 1)
+        self.writer=cv.CreateVideoWriter(datetime.now().strftime("%b-%d_%H_%M_%S")+".wmv", codec, 5, cv.GetSize(self.frame), 1)
         #FPS set to 5 because it seems to be the fps of my cam but should be ajusted to your needs
         self.font = cv.InitFont(cv.CV_FONT_HERSHEY_SIMPLEX, 1, 1, 0, 2, 8) #Creates a font
 
@@ -105,4 +105,4 @@ def somethingHasMoved(self):
         
 if __name__=="__main__":
     detect = MotionDetectorInstantaneous(doRecord=True)
-    detect.run()
\ No newline at end of file
+    detect.run()
diff --git a/MotionDetectorContours.py b/MotionDetectorContours.py
index 8f43dda..729a53a 100644
--- a/MotionDetectorContours.py
+++ b/MotionDetectorContours.py
@@ -37,7 +37,7 @@ def __init__(self,threshold=25, doRecord=True, showWindows=True):
         
     def initRecorder(self): #Create the recorder
         codec = cv.CV_FOURCC('M', 'J', 'P', 'G')
-        self.writer=cv.CreateVideoWriter(datetime.now().strftime("%b-%d_%H:%M:%S")+".wmv", codec, 5, cv.GetSize(self.frame), 1)
+        self.writer=cv.CreateVideoWriter(datetime.now().strftime("%b-%d_%H_%M_%S")+".wmv", codec, 5, cv.GetSize(self.frame), 1)
         #FPS set to 5 because it seems to be the fps of my cam but should be ajusted to your needs
         self.font = cv.InitFont(cv.CV_FONT_HERSHEY_SIMPLEX, 1, 1, 0, 2, 8) #Creates a font
 
@@ -117,4 +117,4 @@ def somethingHasMoved(self):
         
 if __name__=="__main__":
     detect = MotionDetectorAdaptative(doRecord=True)
-    detect.run()
\ No newline at end of file
+    detect.run()