diff --git a/dbms/src/Dictionaries/getDictionaryConfigurationFromAST.cpp b/dbms/src/Dictionaries/getDictionaryConfigurationFromAST.cpp
index 0eb734b18fa..daa3b1a272d 100644
--- a/dbms/src/Dictionaries/getDictionaryConfigurationFromAST.cpp
+++ b/dbms/src/Dictionaries/getDictionaryConfigurationFromAST.cpp
@@ -39,8 +39,9 @@ String getUnescapedFieldString(const Field & field)
     if (!string.empty() && string.front() == '\'' && string.back() == '\'')
         string = string.substr(1, string.size() - 2);
 
-    /// Backqouting will be performed on dictionary providers side
+    /// Escaping will be performed on dictionary providers side
     boost::replace_all(string, "\\'", "'");
+    boost::replace_all(string, "\\\\", "\\");
     return string;
 }
 
diff --git a/dbms/tests/integration/test_dictionaries_ddl/test.py b/dbms/tests/integration/test_dictionaries_ddl/test.py
index 5f1430a786c..c5df6e68dd2 100644
--- a/dbms/tests/integration/test_dictionaries_ddl/test.py
+++ b/dbms/tests/integration/test_dictionaries_ddl/test.py
@@ -234,7 +234,7 @@ def test_dictionary_with_where(started_cluster):
         DB 'clickhouse'
         TABLE 'special_table'
         REPLICA(PRIORITY 1 HOST 'mysql1' PORT 3306)
-        WHERE 'value1 = \\'qweqwe\\''
+        WHERE 'value1 = \\'qweqwe\\' OR value1 = \\'\\\\u3232\\''
     ))
     LAYOUT(FLAT())
     LIFETIME(MIN 1 MAX 3)