diff --git a/lib/core/agent.py b/lib/core/agent.py
index e1dd364c4..4121cdfbd 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -306,15 +306,15 @@ class Agent(object):
         if payload is None:
             return
 
-        replacements = (
-            ("[DELIMITER_START]", kb.chars.start),
-            ("[DELIMITER_STOP]", kb.chars.stop),
-            ("[AT_REPLACE]", kb.chars.at),
-            ("[SPACE_REPLACE]", kb.chars.space),
-            ("[DOLLAR_REPLACE]", kb.chars.dollar),
-            ("[HASH_REPLACE]", kb.chars.hash_),
-            ("[GENERIC_SQL_COMMENT]", GENERIC_SQL_COMMENT)
-        )
+        replacements = {
+            "[DELIMITER_START]": kb.chars.start,
+            "[DELIMITER_STOP]": kb.chars.stop,
+            "[AT_REPLACE]": kb.chars.at,
+            "[SPACE_REPLACE]": kb.chars.space,
+            "[DOLLAR_REPLACE]": kb.chars.dollar,
+            "[HASH_REPLACE]": kb.chars.hash_,
+            "[GENERIC_SQL_COMMENT]": GENERIC_SQL_COMMENT
+        }
 
         for value in re.findall(r"\[[A-Z_]+\]", payload):
             if value in replacements:
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 9de531fca..33883d367 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -17,7 +17,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.4.49"
+VERSION = "1.3.4.50"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)