diff --git a/lib/core/settings.py b/lib/core/settings.py
index b19971d3b..7b347c497 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.5.1.3"
+VERSION = "1.5.1.4"
 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/techniques/union/use.py b/lib/techniques/union/use.py
index 2f2069c2a..41e057a20 100644
--- a/lib/techniques/union/use.py
+++ b/lib/techniques/union/use.py
@@ -85,8 +85,9 @@ def _oneShotUnionUse(expression, unpack=True, limited=False):
             query = agent.forgeUnionQuery(injExpression, vector[0], vector[1], vector[2], vector[3], vector[4], vector[5], vector[6], None, limited)
             where = PAYLOAD.WHERE.NEGATIVE if conf.limitStart or conf.limitStop else vector[6]
         else:
+            injExpression = unescaper.escape(expression)
             where = vector[6]
-            query = agent.forgeUnionQuery(expression, vector[0], vector[1], vector[2], vector[3], vector[4], vector[5], vector[6], None, False)
+            query = agent.forgeUnionQuery(injExpression, vector[0], vector[1], vector[2], vector[3], vector[4], vector[5], vector[6], None, False)
 
         payload = agent.payload(newValue=query, where=where)