diff --git a/google/logging/v2/logging_gapic.yaml b/google/logging/v2/logging_gapic.yaml
index 03fbc577b..d4047e893 100644
--- a/google/logging/v2/logging_gapic.yaml
+++ b/google/logging/v2/logging_gapic.yaml
@@ -45,6 +45,7 @@ interfaces:
       - project_name
     page_streaming:
       request:
+        page_size_field: page_size
         token_field: page_token
       response:
         token_field: next_page_token
@@ -143,6 +144,7 @@ interfaces:
       - project_name
     page_streaming:
       request:
+        page_size_field: page_size
         token_field: page_token
       response:
         token_field: next_page_token
@@ -280,6 +282,7 @@ interfaces:
       - project_ids
     page_streaming:
       request:
+        page_size_field: page_size
         token_field: page_token
       response:
         token_field: next_page_token
@@ -291,6 +294,7 @@ interfaces:
   - name: ListMonitoredResourceDescriptors
     page_streaming:
       request:
+        page_size_field: page_size
         token_field: page_token
       response:
         token_field: next_page_token