diff --git a/learning_resources_search/api_test.py b/learning_resources_search/api_test.py
index ecc3bf6051..a9134262dd 100644
--- a/learning_resources_search/api_test.py
+++ b/learning_resources_search/api_test.py
@@ -229,8 +229,8 @@ def test_generate_learning_resources_text_clause():
                                                             "query": "math",
                                                             "fields": [
                                                                 "runs.instructors.first_name",
-                                                                "runs.instructors.last_name",
-                                                                "runs.instructors.full_name",
+                                                                "runs.instructors.last_name^5",
+                                                                "runs.instructors.full_name^5",
                                                             ],
                                                         }
                                                     },
@@ -338,8 +338,8 @@ def test_generate_learning_resources_text_clause():
                                         "query": "math",
                                         "fields": [
                                             "runs.instructors.first_name",
-                                            "runs.instructors.last_name",
-                                            "runs.instructors.full_name",
+                                            "runs.instructors.last_name^5",
+                                            "runs.instructors.full_name^5",
                                         ],
                                     }
                                 },
@@ -463,8 +463,8 @@ def test_generate_learning_resources_text_clause():
                                                             "query": '"math"',
                                                             "fields": [
                                                                 "runs.instructors.first_name",
-                                                                "runs.instructors.last_name",
-                                                                "runs.instructors.full_name",
+                                                                "runs.instructors.last_name^5",
+                                                                "runs.instructors.full_name^5",
                                                             ],
                                                         }
                                                     },
@@ -575,8 +575,8 @@ def test_generate_learning_resources_text_clause():
                                         "query": '"math"',
                                         "fields": [
                                             "runs.instructors.first_name",
-                                            "runs.instructors.last_name",
-                                            "runs.instructors.full_name",
+                                            "runs.instructors.last_name^5",
+                                            "runs.instructors.full_name^5",
                                         ],
                                     }
                                 },
@@ -1144,8 +1144,8 @@ def test_execute_learn_search_for_learning_resource_query(opensearch):
                                                                                 "query": "math",
                                                                                 "fields": [
                                                                                     "runs.instructors.first_name",
-                                                                                    "runs.instructors.last_name",
-                                                                                    "runs.instructors.full_name",
+                                                                                    "runs.instructors.last_name^5",
+                                                                                    "runs.instructors.full_name^5",
                                                                                 ],
                                                                             }
                                                                         },
@@ -1264,8 +1264,8 @@ def test_execute_learn_search_for_learning_resource_query(opensearch):
                                                         "query": "math",
                                                         "fields": [
                                                             "runs.instructors.first_name",
-                                                            "runs.instructors.last_name",
-                                                            "runs.instructors.full_name",
+                                                            "runs.instructors.last_name^5",
+                                                            "runs.instructors.full_name^5",
                                                         ],
                                                     }
                                                 },
diff --git a/learning_resources_search/constants.py b/learning_resources_search/constants.py
index 0eb0986120..a41454b197 100644
--- a/learning_resources_search/constants.py
+++ b/learning_resources_search/constants.py
@@ -338,8 +338,8 @@ class FilterConfig:
 
 RUN_INSTRUCTORS_QUERY_FIELDS = [
     "runs.instructors.first_name",
-    "runs.instructors.last_name",
-    "runs.instructors.full_name",
+    "runs.instructors.last_name^5",
+    "runs.instructors.full_name^5",
 ]
 
 RESOURCEFILE_QUERY_FIELDS = [