diff --git a/data/txt/sha256sums.txt b/data/txt/sha256sums.txt
index a3679ffbb..e61b94340 100644
--- a/data/txt/sha256sums.txt
+++ b/data/txt/sha256sums.txt
@@ -188,7 +188,7 @@ c03dc585f89642cfd81b087ac2723e3e1bb3bfa8c60e6f5fe58ef3b0113ebfe6  lib/core/data.
 48797d6c34dd9bb8a53f7f3794c85f4288d82a9a1d6be7fcf317d388cb20d4b3  lib/core/replication.py
 0b8c38a01bb01f843d94a6c5f2075ee47520d0c4aa799cecea9c3e2c5a4a23a6  lib/core/revision.py
 888daba83fd4a34e9503fe21f01fef4cc730e5cde871b1d40e15d4cbc847d56c  lib/core/session.py
-8277cf9d33b3eda382c651f98a3aecf655419ff7f1aa62c8666855a3f336558a  lib/core/settings.py
+adb776e7b2a3b238fcde22d6b4ca982b33ba949fac5fc4d1e1c4b3cd00c74cc6  lib/core/settings.py
 cd5a66deee8963ba8e7e9af3dd36eb5e8127d4d68698811c29e789655f507f82  lib/core/shell.py
 bcb5d8090d5e3e0ef2a586ba09ba80eef0c6d51feb0f611ed25299fbb254f725  lib/core/subprocessng.py
 70ea3768f1b3062b22d20644df41c86238157ec80dd43da40545c620714273c6  lib/core/target.py
@@ -513,7 +513,7 @@ ff8d05da2c5a123a231671c97ee80bb77b6631d7e5356d836cfe15ef212b73e5  tamper/comment
 1d6bcc5ffe235840370cd9738b5e8067f8b24e8c0e2bb629d330a7e5c379328a  tamper/dunion.py
 ab455ab2d7bf89e2d283799841556e2b87c53bd288aca88f2d9f1ea5b9c39cb8  tamper/equaltolike.py
 c686219f6e1b22be654792ead82c55947c11dc55901db6173fbc9821b6da625d  tamper/equaltorlike.py
-d528e74ae7c9fc0cd45369046d835a8f1e6f9252eeef6d84d9978d7e329ab35f  tamper/escapequotes.py
+d06c4ba69f645fe60e786085c76fa163708938d105652a03d03f3e0407357205  tamper/escapequotes.py
 0694f202a4f57e0a5c4d5aa72eee121b6f344d4e03692d9e267e2212abed719c  tamper/greatest.py
 89c2606da517d063f5a898a33d5bfd8737eef837552fc1127cea512ab82d0ea5  tamper/halfversionedmorekeywords.py
 76475815dedf1b56a542abdbad3f50f26f9b402775b6d475ba3b8ce64dede022  tamper/hex2char.py
@@ -535,7 +535,7 @@ b533f576b260f485ebb70566c520979608d9f1790aa2811ce8194970b63e0d96  tamper/modsecu
 687f531696809452a37f631cdb201267b04cb83b34a847aec507aca04e2ec305  tamper/ord2ascii.py
 07cca753862dc9a2379aea23823d71ad6f4f6716a220e01792467549f8bde95a  tamper/overlongutf8more.py
 b17748d63b763a7bfd2188f44145345507ce71e1b46f29d747132da5c56d7ed0  tamper/overlongutf8.py
-88393d8062c76e402b811872a335db92b457aeca906835c751274b714def9e7e  tamper/percentage.py
+0af473a5fb3b458b0575d220b55ad96f81d9ca34eab854b597280f8bae6d35ba  tamper/percentage.py
 5437bc272398173c997d7b156dac1606dcde30421923bfc8f744d3668441d79e  tamper/plus2concat.py
 3cec7391b8b586474455ef4b089a27c67406ba02f91698647bb113c291f38692  tamper/plus2fnconcat.py
 f5e2cccbe669b732c0b8aaa56c16522fd579168ff61a92d31f94c6970070dfe0  tamper/randomcase.py
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 2a915cbf8..469e819d5 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -20,7 +20,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.10.6.102"
+VERSION = "1.10.6.103"
 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/tamper/escapequotes.py b/tamper/escapequotes.py
index aba948a06..0ccbc0cb5 100644
--- a/tamper/escapequotes.py
+++ b/tamper/escapequotes.py
@@ -20,4 +20,9 @@ def tamper(payload, **kwargs):
     '1\\\\" AND SLEEP(5)#'
     """
 
-    return payload.replace("'", "\\'").replace('"', '\\"')
+    retVal = payload
+
+    if payload:
+        retVal = payload.replace("'", "\\'").replace('"', '\\"')
+
+    return retVal
diff --git a/tamper/percentage.py b/tamper/percentage.py
index 36c87dadb..6230e2fa5 100644
--- a/tamper/percentage.py
+++ b/tamper/percentage.py
@@ -35,6 +35,8 @@ def tamper(payload, **kwargs):
     '%S%E%L%E%C%T %F%I%E%L%D %F%R%O%M %T%A%B%L%E'
     """
 
+    retVal = payload
+
     if payload:
         retVal = ""
         i = 0