diff --git a/file_rename.py b/file_rename.py
index 5814e8d..07f8425 100644
--- a/file_rename.py
+++ b/file_rename.py
@@ -29,7 +29,7 @@
 #   Expects a filename as the only argument
 if not sys.argv[1:]:
     print(Usage)
-    exit(1)
+    sys.exit(1)
 
 #   Create a dictionary that will hold old and new file names
 file_data = {}
diff --git a/splitter/splitter.py b/splitter/splitter.py
index dc9aee6..125812e 100644
--- a/splitter/splitter.py
+++ b/splitter/splitter.py
@@ -23,7 +23,7 @@
 """
 if len(sys.argv) < 2:
     print (Usage)
-    exit(1)
+    sys.exit(1)
 
 #####
 #   Defining arguments
diff --git a/tarchiver.py b/tarchiver.py
index e846fe9..4b4e9d8 100644
--- a/tarchiver.py
+++ b/tarchiver.py
@@ -18,7 +18,7 @@
 
 if len(sys.argv) < 1:
     print(Usage)
-    exit(1)
+    sys.exit(1)
 
 #####
 #   Defining arguments