diff --git a/libraries/entropy/client/interfaces/package.py b/libraries/entropy/client/interfaces/package.py
index 74907e888..3514a37c9 100644
--- a/libraries/entropy/client/interfaces/package.py
+++ b/libraries/entropy/client/interfaces/package.py
@@ -2446,7 +2446,7 @@ class Package:
                 # check size first
                 repo_size = dbconn.retrieveSize(idpackage)
                 f = open(os.path.join(etpConst['entropyworkdir'],self.infoDict['download']),"r")
-                f.seek(0,2)
+                f.seek(0,os.SEEK_END)
                 disk_size = f.tell()
                 f.close()
                 if repo_size == disk_size:
@@ -2503,7 +2503,7 @@ class Package:
             down_path = os.path.join(etp_workdir,download)
             if os.path.isfile(down_path):
                 with open(down_path,"r") as f:
-                    f.seek(0,2)
+                    f.seek(0,os.SEEK_END)
                     disk_size = f.tell()
                 if repo_size == disk_size:
                     temp_already_downloaded_count += 1
diff --git a/libraries/entropy/services/system/commands.py b/libraries/entropy/services/system/commands.py
index c886cf19b..b6e4db829 100644
--- a/libraries/entropy/services/system/commands.py
+++ b/libraries/entropy/services/system/commands.py
@@ -229,13 +229,13 @@ class Base(SocketCommands):
             text = ''
         else:
             f = open(file_path,"r")
-            f.seek(0,2)
+            f.seek(0,os.SEEK_END)
             tell_me = f.tell()
             if bytes_from_tail < 1:
                 bytes_from_tail = tell_me
             if bytes_from_tail > tell_me:
                 bytes_from_tail = tell_me
-            f.seek(-1*bytes_from_tail,2)
+            f.seek(-1*bytes_from_tail,os.SEEK_END)
             text = f.read()
             f.close()
 
diff --git a/libraries/entropy/services/system/executors.py b/libraries/entropy/services/system/executors.py
index 816bd5c4b..6a7e6495e 100644
--- a/libraries/entropy/services/system/executors.py
+++ b/libraries/entropy/services/system/executors.py
@@ -1110,7 +1110,7 @@ class Base:
 
         def is_last_newline(f):
             try:
-                f.seek(-1,2)
+                f.seek(-1,os.SEEK_END)
                 last = f.read(1)
                 if last == "\n":
                     return True
diff --git a/libraries/entropy/transceivers.py b/libraries/entropy/transceivers.py
index 22a0b258c..bb6ecab44 100644
--- a/libraries/entropy/transceivers.py
+++ b/libraries/entropy/transceivers.py
@@ -125,7 +125,7 @@ class UrlFetcher:
             os.access(self.__path_to_save,os.W_OK) and self.__resume:
 
             self.localfile = open(self.__path_to_save,"awb")
-            self.localfile.seek(0,2)
+            self.localfile.seek(0,os.SEEK_END)
             self.__startingposition = int(self.localfile.tell())
             self.__resumed = True
 
diff --git a/libraries/entropy/xpak.py b/libraries/entropy/xpak.py
index 62c0276ed..53bd81e47 100644
--- a/libraries/entropy/xpak.py
+++ b/libraries/entropy/xpak.py
@@ -266,7 +266,7 @@ class tbz2:
 		myfile=open(self.file,"a+")
 		if not myfile:
 			raise IOError
-		myfile.seek(-self.xpaksize,2) # 0,2 or -0,2 just mean EOF.
+		myfile.seek(-self.xpaksize,os.SEEK_END) # 0,2 or -0,2 just mean EOF.
 		myfile.truncate()
 		myfile.write(xpdata+encodeint(len(xpdata))+"STOP")
 		myfile.flush()
@@ -300,7 +300,7 @@ class tbz2:
 					return 1
 			self.filestat=mystat
 			a=open(self.file,"r")
-			a.seek(-16,2)
+			a.seek(-16,os.SEEK_END)
 			trailer=a.read()
 			self.infosize=0
 			self.xpaksize=0
@@ -312,7 +312,7 @@ class tbz2:
 				return 0
 			self.infosize=decodeint(trailer[8:12])
 			self.xpaksize=self.infosize+8
-			a.seek(-(self.xpaksize),2)
+			a.seek(-(self.xpaksize),os.SEEK_END)
 			header=a.read(16)
 			if header[0:8]!="XPAKPACK":
 				a.close()