diff --git a/lib/core/settings.py b/lib/core/settings.py
index d442b0957..1b01c8efc 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.2.9.37"
+VERSION = "1.2.9.38"
 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)
diff --git a/lib/parse/cmdline.py b/lib/parse/cmdline.py
index b6a46c0b3..86faefd9b 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -753,6 +753,7 @@ def cmdLineParser(argv=None):
         prompt = False
         advancedHelp = True
         extraHeaders = []
+        tamperIndex = None
 
         # Reference: https://stackoverflow.com/a/4012683 (Note: previously used "...sys.getfilesystemencoding() or UNICODE_ENCODING")
         for arg in argv:
@@ -824,6 +825,12 @@ def cmdLineParser(argv=None):
             elif re.search(r"\A-\w=.+", argv[i]):
                 dataToStdout("[!] potentially miswritten (illegal '=') short option detected ('%s')\n" % argv[i])
                 raise SystemExit
+            elif argv[i].startswith("--tamper"):
+                if tamperIndex is None:
+                    tamperIndex = i if '=' in argv[i] else (i + 1 if i + 1 < len(argv) and not argv[i + 1].startswith('-') else None)
+                else:
+                    argv[tamperIndex] = "%s,%s" % (argv[tamperIndex], argv[i].split('=')[1] if '=' in argv[i] else (argv[i + 1] if i + 1 < len(argv) and not argv[i + 1].startswith('-') else ""))
+                    argv[i] = ""
             elif argv[i] == "-H":
                 if i + 1 < len(argv):
                     extraHeaders.append(argv[i + 1])
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 3ee4c8193..e204e090f 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -50,7 +50,7 @@ c8c386d644d57c659d74542f5f57f632  lib/core/patch.py
 0c3eef46bdbf87e29a3f95f90240d192  lib/core/replication.py
 a7db43859b61569b601b97f187dd31c5  lib/core/revision.py
 fcb74fcc9577523524659ec49e2e964b  lib/core/session.py
-d19e57fe2d2830703117b44a57f5922a  lib/core/settings.py
+9f3052dd8ab94a3429f356d40dc263c1  lib/core/settings.py
 dd68a9d02fccb4fa1428b20e15b0db5d  lib/core/shell.py
 a7edc9250d13af36ac0108f259859c19  lib/core/subprocessng.py
 62bc180e3e828949ffb342a8f756c183  lib/core/target.py
@@ -61,7 +61,7 @@ b35636650cfe721f5cc47fb91737c061  lib/core/update.py
 e772deb63270375e685fa5a7b775c382  lib/core/wordlist.py
 1e5532ede194ac9c083891c2f02bca93  lib/__init__.py
 7620f1f4b8791e13c7184c06b5421754  lib/parse/banner.py
-134bbbf67bb30c188b8409c0b3bfbc2a  lib/parse/cmdline.py
+4296aee13e84a7394f2329dc7ea542ef  lib/parse/cmdline.py
 fb2e2f05dde98caeac6ccf3e67192177  lib/parse/configfile.py
 3794ff139869f5ae8e81cfdbe5714f56  lib/parse/handler.py
 6bab53ea9d75bc9bb8169d3e8f3f149f  lib/parse/headers.py