diff --git a/radio/src/bin_allocator.h b/radio/src/bin_allocator.h
index c47597f2a..2d805fbc0 100644
--- a/radio/src/bin_allocator.h
+++ b/radio/src/bin_allocator.h
@@ -83,7 +83,7 @@ public:
 typedef BinAllocator<39,300> BinAllocator_slots1;
 typedef BinAllocator<79,100> BinAllocator_slots2;
 #else
-typedef BinAllocator<29,200> BinAllocator_slots1;
+typedef BinAllocator<27,200> BinAllocator_slots1;
 typedef BinAllocator<91,50> BinAllocator_slots2;
 #endif