diff --git a/server/filter.py b/server/filter.py
index 38151d90..d170709e 100644
--- a/server/filter.py
+++ b/server/filter.py
@@ -446,7 +446,7 @@ class FileFilter(Filter):
 # In order to detect log rotation, the hash (MD5) of the first line of the file
 # is computed and compared to the previous hash of this line.
 
-import md5
+import hashlib
 
 class FileContainer:
 	
@@ -461,7 +461,7 @@ class FileContainer:
 		try:
 			firstLine = handler.readline()
 			# Computes the MD5 of the first line.
-			self.__hash = md5.new(firstLine).digest()
+			self.__hash = hashlib.md5(firstLine).digest()
 			# Start at the beginning of file if tail mode is off.
 			if tail:
 				handler.seek(0, 2)
@@ -481,7 +481,7 @@ class FileContainer:
 		fcntl.fcntl(fd, fcntl.F_SETFD, fd | fcntl.FD_CLOEXEC)
 		firstLine = self.__handler.readline()
 		# Computes the MD5 of the first line.
-		myHash = md5.new(firstLine).digest()
+		myHash = hashlib.md5(firstLine).digest()
 		stats = os.fstat(self.__handler.fileno())
 		# Compare hash and inode
 		if self.__hash != myHash or self.__ino != stats.st_ino: