diff --git a/superset/sql/parse.py b/superset/sql/parse.py
index 2026b0409b0..1d0bfe8b4e6 100644
--- a/superset/sql/parse.py
+++ b/superset/sql/parse.py
@@ -1856,13 +1856,15 @@ def sanitize_clause(clause: str, engine: str) -> str:
     Comments are the one exception: a trailing line comment can comment out
     surrounding SQL once the clause is embedded into a larger query (e.g.
     wrapped in parentheses), so any clause that contains comments is re-rendered
-    to normalize them into a safe form.
+    to normalize them into a safe form. A trailing statement terminator is
+    likewise stripped, since callers embed the clause inside a larger fragment
+    (``WHERE (...)``) where a stray ``;`` would produce invalid SQL.
     """
     try:
         statement = SQLStatement(clause, engine)
         parsed = statement._parsed  # pylint: disable=protected-access
         if not any(node.comments for node in parsed.walk()):
-            return clause
+            return clause.rstrip().rstrip(";").rstrip()
 
         return _normalized_generator(
             SQLGLOT_DIALECTS.get(engine),
diff --git a/tests/unit_tests/sql/parse_tests.py b/tests/unit_tests/sql/parse_tests.py
index 0f2d7439dda..8342a5ef264 100644
--- a/tests/unit_tests/sql/parse_tests.py
+++ b/tests/unit_tests/sql/parse_tests.py
@@ -3148,6 +3148,10 @@ def test_is_valid_cvas(sql: str, engine: str, expected: bool) -> None:
         ),  # Block comments preserved
         ("col = 'col1 = 1) AND (col2 = 2'", "col = 'col1 = 1) AND (col2 = 2'", "base"),
         ("col = 'select 1; select 2'", "col = 'select 1; select 2'", "base"),
+        # Trailing statement terminators are stripped so the clause stays valid
+        # once embedded inside a larger fragment (e.g. ``WHERE (...)``).
+        ("col = 1;", "col = 1", "base"),
+        ("col = 1 ; ", "col = 1", "base"),
         ("col = 'abc -- comment'", "col = 'abc -- comment'", "base"),
         ("col1 = 1) AND (col2 = 2)", QueryClauseValidationException, "base"),
         ("(col1 = 1) AND (col2 = 2", QueryClauseValidationException, "base"),