diff --git a/x-pack/plugin/core/src/main/resources/logs-mappings.json b/x-pack/plugin/core/src/main/resources/logs-mappings.json
index 306aa25124794..5569f6695ecb7 100644
--- a/x-pack/plugin/core/src/main/resources/logs-mappings.json
+++ b/x-pack/plugin/core/src/main/resources/logs-mappings.json
@@ -31,7 +31,7 @@
             }
           }
         },
-        "datastream": {
+        "data_stream": {
           "properties": {
             "type": {
               "type": "constant_keyword",
diff --git a/x-pack/plugin/core/src/main/resources/metrics-mappings.json b/x-pack/plugin/core/src/main/resources/metrics-mappings.json
index 711723f7f999c..a38a73e9b4cc1 100644
--- a/x-pack/plugin/core/src/main/resources/metrics-mappings.json
+++ b/x-pack/plugin/core/src/main/resources/metrics-mappings.json
@@ -31,7 +31,7 @@
             }
           }
         },
-        "datastream": {
+        "data_stream": {
           "properties": {
             "type": {
               "type": "constant_keyword",