diff --git a/src/add-ons/kernel/file_systems/bfs/BlockAllocator.cpp b/src/add-ons/kernel/file_systems/bfs/BlockAllocator.cpp
index 7f83a7931a..10149149e7 100644
--- a/src/add-ons/kernel/file_systems/bfs/BlockAllocator.cpp
+++ b/src/add-ons/kernel/file_systems/bfs/BlockAllocator.cpp
@@ -366,7 +366,7 @@ AllocationGroup::AddFreeRange(int32 start, int32 blocks)
 status_t
 AllocationGroup::Allocate(Transaction& transaction, uint16 start, int32 length)
 {
-	ASSERT(start + length <= fNumBits);
+	ASSERT(start + length <= (int32)fNumBits);
 
 	// Update the allocation group info
 	// TODO: this info will be incorrect if something goes wrong later
@@ -435,7 +435,7 @@ AllocationGroup::Allocate(Transaction& transaction, uint16 start, int32 length)
 status_t
 AllocationGroup::Free(Transaction& transaction, uint16 start, int32 length)
 {
-	ASSERT(start + length <= fNumBits);
+	ASSERT(start + length <= (int32)fNumBits);
 
 	// Update the allocation group info
 	// TODO: this info will be incorrect if something goes wrong later
diff --git a/src/add-ons/kernel/file_systems/bfs/BlockAllocator.h b/src/add-ons/kernel/file_systems/bfs/BlockAllocator.h
index 01a8a7c9c7..ea98e905ee 100644
--- a/src/add-ons/kernel/file_systems/bfs/BlockAllocator.h
+++ b/src/add-ons/kernel/file_systems/bfs/BlockAllocator.h
@@ -19,7 +19,7 @@ struct check_control;
 struct check_cookie;
 
 
-#define DEBUG_ALLOCATION_GROUPS
+//#define DEBUG_ALLOCATION_GROUPS
 
 
 class BlockAllocator {