diff --git a/crates/milli/src/update/new/indexer/mod.rs b/crates/milli/src/update/new/indexer/mod.rs
index 9d0f8e480..2f88e8902 100644
--- a/crates/milli/src/update/new/indexer/mod.rs
+++ b/crates/milli/src/update/new/indexer/mod.rs
@@ -93,17 +93,25 @@ where
         ..grenad_parameters
     };
 
-    // We compute and remove the allocated BBQueues buffers capacity from the indexing memory.
-    let minimum_capacity = 50 * 1024 * 1024 * pool.current_num_threads(); // 50 MiB
+    // 5% percent of the allocated memory for the extractors, or min 100MiB
+    // 5% percent of the allocated memory for the bbqueues, or min 50MiB
+    //
+    // Minimum capacity for bbqueues
+    let minimum_total_bbbuffer_capacity = 50 * 1024 * 1024 * pool.current_num_threads(); // 50 MiB
+    let minimum_total_extractors_capacity = minimum_total_bbbuffer_capacity * 2;
+
     let (grenad_parameters, total_bbbuffer_capacity) = grenad_parameters.max_memory.map_or(
-        (grenad_parameters, 2 * minimum_capacity), // 100 MiB by thread by default
+        (
+            GrenadParameters {
+                max_memory: Some(minimum_total_extractors_capacity),
+                ..grenad_parameters
+            },
+            minimum_total_bbbuffer_capacity,
+        ), // 100 MiB by thread by default
         |max_memory| {
-            // 2% of the indexing memory
-            let total_bbbuffer_capacity = (max_memory / 100 / 2).max(minimum_capacity);
+            let total_bbbuffer_capacity = max_memory.max(minimum_total_bbbuffer_capacity);
             let new_grenad_parameters = GrenadParameters {
-                max_memory: Some(
-                    max_memory.saturating_sub(total_bbbuffer_capacity).max(100 * 1024 * 1024),
-                ),
+                max_memory: Some(max_memory.max(minimum_total_extractors_capacity)),
                 ..grenad_parameters
             };
             (new_grenad_parameters, total_bbbuffer_capacity)