diff --git a/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermLocalizedTranslation.php b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermLocalizedTranslation.php
index b99761a89eab..ce44978b7618 100644
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermLocalizedTranslation.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermLocalizedTranslation.php
@@ -37,6 +37,7 @@ class TermLocalizedTranslation extends Term {
     // Add in the property, which is either name or description.
     // Cast td.tid as char for PostgreSQL compatibility.
     $query->leftJoin('i18n_strings', 'i18n', 'CAST([td].[tid] AS CHAR(255)) = [i18n].[objectid]');
+    $query->condition('i18n.type', 'term');
     $query->addField('i18n', 'lid');
     $query->addField('i18n', 'property');
 
@@ -69,6 +70,7 @@ class TermLocalizedTranslation extends Term {
     $other_property = ($property == 'name') ? 'description' : 'name';
     $query = $this->select('i18n_strings', 'i18n')
       ->fields('i18n', ['lid'])
+      ->condition('i18n.type', 'term')
       ->condition('i18n.property', $other_property)
       ->condition('i18n.objectid', $tid);
     $query->leftJoin('locales_target', 'lt', '[i18n].[lid] = [lt].[lid]');
diff --git a/core/modules/taxonomy/tests/src/Kernel/Plugin/migrate/source/d6/TermLocalizedTranslationTest.php b/core/modules/taxonomy/tests/src/Kernel/Plugin/migrate/source/d6/TermLocalizedTranslationTest.php
index f6906dca978c..2eda7078a6d2 100644
--- a/core/modules/taxonomy/tests/src/Kernel/Plugin/migrate/source/d6/TermLocalizedTranslationTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/Plugin/migrate/source/d6/TermLocalizedTranslationTest.php
@@ -181,6 +181,70 @@ class TermLocalizedTranslationTest extends MigrateSqlSourceTestBase {
     // Empty configuration will return terms for all vocabularies.
     $tests[0]['configuration'] = [];
 
+    // Test that only i18n_strings of type 'term' are returned.
+    $tests[1] = $tests[0];
+    $tests[0]['source_data']['i18n_strings'] = [
+      [
+        'lid' => 6,
+        'objectid' => 1,
+        'type' => 'term',
+        'property' => 'name',
+        'objectindex' => '1',
+        'format' => 0,
+      ],
+      [
+        'lid' => 7,
+        'objectid' => 1,
+        'type' => 'term',
+        'property' => 'description',
+        'objectindex' => '1',
+        'format' => 0,
+      ],
+      [
+        'lid' => 8,
+        'objectid' => 3,
+        'type' => 'not term',
+        'property' => 'name',
+        'objectindex' => '3',
+        'format' => 0,
+      ],
+      [
+        'lid' => 9,
+        'objectid' => 4,
+        'type' => 'term',
+        'property' => 'description',
+        'objectindex' => '4',
+        'format' => 0,
+      ],
+    ];
+    // The expected results.
+    $tests[0]['expected_data'] = [
+      [
+        'tid' => 1,
+        'vid' => 5,
+        'name' => 'name value 1',
+        'description' => 'description value 1',
+        'weight' => 0,
+        'parent' => [0],
+        'property' => 'name',
+        'language' => 'fr',
+        'name_translated' => 'fr - name value 1 translation',
+        'description_translated' => 'fr - description value 1 translation',
+      ],
+      [
+        'tid' => 1,
+        'vid' => 5,
+        'name' => 'name value 1',
+        'description' => 'description value 1',
+        'weight' => 0,
+        'parent' => [0],
+        'property' => 'description',
+        'language' => 'fr',
+        'name_translated' => 'fr - name value 1 translation',
+        'description_translated' => 'fr - description value 1 translation',
+      ],
+    ];
+
     return $tests;
   }