diff --git a/unitests.sh b/unitests.sh
index 28153af..50e8147 100644
--- a/unitests.sh
+++ b/unitests.sh
@@ -42,6 +42,25 @@ cd $(dirname $0)
 # copy the executable to current directory
 	cp $MINISHELL .
 
+# to delete the files created during the script
+	function delete_files
+	{
+		files_after="$(ls .)"
+		diff_files="$(comm -3 <(echo "$FILES_BEFORE") <(echo "$files_after"))"
+		while read -r line_diff
+		do
+			rm -rf "$line_diff"
+		done < <(echo "$diff_files")
+	}
+
+# handle sigint signal
+	function handler_sigint
+	{
+		delete_files
+		exit 0
+	}
+	trap 'handler_sigint' 2
+
 # default list of files to be use
 	DEFAULT_FILES="$( find $DEFAULT_DIR | tail -n+2 )"
 
@@ -58,17 +77,6 @@ cd $(dirname $0)
 		echo     ""
 	}
 
-# to delete the files created during the script
-	function delete_files
-	{
-		files_after="$(ls .)"
-		diff_files="$(comm -3 <(echo "$FILES_BEFORE") <(echo "$files_after"))"
-		while read -r line_diff
-		do
-			rm -rf "$line_diff"
-		done < <(echo "$diff_files")
-	}
-
 # check for arguments, like options or files list
 # if no file in arguments, default file list is used
 	function parse_arguments