diff --git a/server/szurubooru/search/base_search_config.py b/server/szurubooru/search/base_search_config.py
index df29b4f8..88492020 100644
--- a/server/szurubooru/search/base_search_config.py
+++ b/server/szurubooru/search/base_search_config.py
@@ -31,7 +31,7 @@ class BaseSearchConfig(object):
         '''
         Decorate SQLAlchemy filter on given column using supplied criterion.
         '''
-        if isinstance(criterion, criteria.StringSearchCriterion):
+        if isinstance(criterion, criteria.PlainSearchCriterion):
             expr = column == int(criterion.value)
         elif isinstance(criterion, criteria.ArraySearchCriterion):
             expr = column.in_(int(value) for value in criterion.values)
@@ -55,7 +55,7 @@ class BaseSearchConfig(object):
         Decorate SQLAlchemy filter on given column using supplied criterion.
         Parse potential wildcards inside the criterion.
         '''
-        if isinstance(criterion, criteria.StringSearchCriterion):
+        if isinstance(criterion, criteria.PlainSearchCriterion):
             expr = column.like(criterion.value.replace('*', '%'))
         elif isinstance(criterion, criteria.ArraySearchCriterion):
             expr = sqlalchemy.sql.false()
@@ -81,7 +81,7 @@ class BaseSearchConfig(object):
         Decorate SQLAlchemy filter on given column using supplied criterion.
         Parse the datetime inside the criterion.
         '''
-        if isinstance(criterion, criteria.StringSearchCriterion):
+        if isinstance(criterion, criteria.PlainSearchCriterion):
             min_date, max_date = misc.parse_time_range(criterion.value)
             expr = column.between(min_date, max_date)
         elif isinstance(criterion, criteria.ArraySearchCriterion):
diff --git a/server/szurubooru/search/criteria.py b/server/szurubooru/search/criteria.py
index b7d47d84..422966b4 100644
--- a/server/szurubooru/search/criteria.py
+++ b/server/szurubooru/search/criteria.py
@@ -12,7 +12,7 @@ class RangedSearchCriterion(_BaseSearchCriterion):
         self.min_value = min_value
         self.max_value = max_value
 
-class StringSearchCriterion(_BaseSearchCriterion):
+class PlainSearchCriterion(_BaseSearchCriterion):
     def __init__(self, original_text, negated, value):
         super().__init__(original_text, negated)
         self.value = value
diff --git a/server/szurubooru/search/search_executor.py b/server/szurubooru/search/search_executor.py
index 59ccaf22..13eebc94 100644
--- a/server/szurubooru/search/search_executor.py
+++ b/server/szurubooru/search/search_executor.py
@@ -126,4 +126,4 @@ class SearchExecutor(object):
         if ',' in value:
             return criteria.ArraySearchCriterion(
                 value, negated, value.split(','))
-        return criteria.StringSearchCriterion(value, negated, value)
+        return criteria.PlainSearchCriterion(value, negated, value)