diff --git a/lib/tamper_scripts/base64_encode.py b/lib/tamper_scripts/base64_encode.py
index d214fb4..d76bea1 100644
--- a/lib/tamper_scripts/base64_encode.py
+++ b/lib/tamper_scripts/base64_encode.py
@@ -6,7 +6,8 @@ from lib.core.settings import (
 )
 
 
-def tamper(payload, warning=True, **kwargs):
+def tamper(payload, **kwargs):
+    warning = kwargs.get("warning", True)
     if warning:
         logger.warning(set_color(
             "base64 tamper scripts may increase the possibility of not finding vulnerabilities "
diff --git a/lib/tamper_scripts/enclosebrackets_encode.py b/lib/tamper_scripts/enclosebrackets_encode.py
index 3c5e633..d6f9766 100644
--- a/lib/tamper_scripts/enclosebrackets_encode.py
+++ b/lib/tamper_scripts/enclosebrackets_encode.py
@@ -6,7 +6,9 @@ from lib.core.settings import (
 )
 
 
-def tamper(payload, warning=True, **kwargs):
+def tamper(payload, **kwargs):
+    warning = kwargs.get("warning", True)
+
     if warning:
         logger.warning(set_color(
             "enclosing brackets is meant to be used as an obfuscation "
diff --git a/lib/tamper_scripts/hex_encode.py b/lib/tamper_scripts/hex_encode.py
index 36db53b..2c8e6b7 100644
--- a/lib/tamper_scripts/hex_encode.py
+++ b/lib/tamper_scripts/hex_encode.py
@@ -4,7 +4,8 @@ from lib.core.settings import (
 )
 
 
-def tamper(payload, warning=True, **kwargs):
+def tamper(payload, **kwargs):
+    warning = kwargs.get("warning", True)
     if warning:
         logger.warning(set_color(
             "hex tamper scripts may increase the risk of false positives...", level=30
diff --git a/lib/tamper_scripts/obfuscateordinal_encode.py b/lib/tamper_scripts/obfuscateordinal_encode.py
index e2dbfb8..9e5cada 100644
--- a/lib/tamper_scripts/obfuscateordinal_encode.py
+++ b/lib/tamper_scripts/obfuscateordinal_encode.py
@@ -4,7 +4,9 @@ from lib.core.settings import (
 )
 
 
-def tamper(payload, warning=True, **kwargs):
+def tamper(payload, **kwargs):
+    warning = kwargs.get("warning", True)
+
     if warning:
         logger.warning(set_color(
             "obfuscating the payloads by ordinal equivalents may increase the risk "
diff --git a/lib/tamper_scripts/space2null_encode.py b/lib/tamper_scripts/space2null_encode.py
index 0659c31..9b7ae56 100644
--- a/lib/tamper_scripts/space2null_encode.py
+++ b/lib/tamper_scripts/space2null_encode.py
@@ -1,4 +1,17 @@
+from lib.core.settings import (
+    logger,
+    set_color
+)
+
+
 def tamper(payload, **kwargs):
+    warning = kwargs.get("warning", True)
+    if warning:
+        logger.warning(set_color(
+            "NULL encoding tamper scripts may increase the possibility of not finding vulnerabilities "
+            "in otherwise vulnerable sites...", level=30
+        ))
+
     retval = ""
     encoder = "%00"
     for char in payload:
diff --git a/lib/tamper_scripts/url_encode.py b/lib/tamper_scripts/url_encode.py
index 32eee14..8dd9acc 100644
--- a/lib/tamper_scripts/url_encode.py
+++ b/lib/tamper_scripts/url_encode.py
@@ -3,10 +3,10 @@
 
 def tamper(payload, safe="%&=-_", **kwargs):
     encodings = {
-        " ": "%20", "!": "%21", '"': "%22", "#": "%23", "$": "%24", "%": "%25", "&": "%26", "'": "%27",
-        "(": "%28", ")": "%29", "*": "%2A", "+": "%2B", ",": "%2C", "-": "%2D", ".": "%2E", "/": "%2F",
+        " ": "%20", "!": "%21", '"': "%22", "#": "%23", "$": "%24", "%": "%25", "'": "%27",
+        "(": "%28", ")": "%29", "*": "%2A", "+": "%2B", ",": "%2C", ".": "%2E", "/": "%2F",
         "0": "%30", "1": "%31", "2": "%32", "3": "%33", "4": "%34", "5": "%35", "6": "%36", "7": "%37",
-        "8": "%38", "9": "%39", ":": "%3A", ";": "%3B", "<": "%3C", "=": "%3D", ">": "%3E", "?": "%3F",
+        "8": "%38", "9": "%39", ":": "%3A", ";": "%3B", "<": "%3C",  ">": "%3E", "?": "%3F",
         "@": "%40", "A": "%41", "B": "%42", "C": "%43", "D": "%44", "E": "%45", "F": "%46", "G": "%47",
         "H": "%48", "I": "%49", "J": "%4A", "K": "%4B", "L": "%4C", "M": "%4D", "N": "%4E", "O": "%4F",
         "P": "%50", "Q": "%51", "R": "%52", "S": "%53", "T": "%54", "U": "%55", "V": "%56", "W": "%57",