diff --git a/lib/core/agent.py b/lib/core/agent.py
index 1e568c1e1..e44650c76 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -533,7 +533,7 @@ class Agent:
                 inbandQuery += ", "
 
             if element == position:
-                if " FROM " in query and not query.startswith("SELECT ") and "(CASE WHEN (" not in query:
+                if " FROM " in query and "EXISTS(" not in query and not query.startswith("SELECT ") and "(CASE WHEN (" not in query:
                     conditionIndex = query.index(" FROM ")
                     inbandQuery += query[:conditionIndex]
                 else:
@@ -541,7 +541,7 @@ class Agent:
             else:
                 inbandQuery += char
 
-        if " FROM " in query and not query.startswith("SELECT ") and "(CASE WHEN (" not in query:
+        if " FROM " in query and "EXISTS(" not in query and not query.startswith("SELECT ") and "(CASE WHEN (" not in query:
             conditionIndex = query.index(" FROM ")
             inbandQuery += query[conditionIndex:]
 
diff --git a/lib/techniques/inband/union/use.py b/lib/techniques/inband/union/use.py
index 3702b287e..8c5b368d4 100644
--- a/lib/techniques/inband/union/use.py
+++ b/lib/techniques/inband/union/use.py
@@ -64,7 +64,7 @@ def unionUse(expression, direct=False, unescape=True, resetCounter=False, nullCh
         # entry per time
         # NOTE: I assume that only queries that get data from a table can
         # return multiple entries
-        if " FROM " in expression:
+        if " FROM " in expression and "EXISTS(" not in expression:
             limitRegExp = re.search(queries[kb.dbms].limitregexp.query, expression, re.I)
 
             if limitRegExp: