diff --git a/src/system/kernel/fs/vfs.cpp b/src/system/kernel/fs/vfs.cpp
index b4ddee33af..114d6ab7c2 100644
--- a/src/system/kernel/fs/vfs.cpp
+++ b/src/system/kernel/fs/vfs.cpp
@@ -3531,7 +3531,7 @@ common_file_io_vec_pages(struct vnode* vnode, void* cookie,
 	for (; fileVecIndex < fileVecCount; fileVecIndex++) {
 		const file_io_vec &fileVec = fileVecs[fileVecIndex];
 		off_t fileOffset = fileVec.offset;
-		off_t fileLeft = min_c(fileVec.length, bytesLeft);
+		off_t fileLeft = min_c(fileVec.length, (off_t)bytesLeft);
 
 		TRACE(("FILE VEC [%" B_PRIu32 "] length %" B_PRIdOFF "\n", fileVecIndex,
 			fileLeft));
diff --git a/src/system/kernel/fs/vfs_request_io.cpp b/src/system/kernel/fs/vfs_request_io.cpp
index afa5b0659b..4a7984d94a 100644
--- a/src/system/kernel/fs/vfs_request_io.cpp
+++ b/src/system/kernel/fs/vfs_request_io.cpp
@@ -167,7 +167,7 @@ do_iterative_fd_io_iterate(void* _cookie, io_request* request,
 	size_t subRequestCount = 0;
 	for (size_t i = 0; i < vecCount && subRequestCount < kMaxSubRequests; i++) {
 		off_t vecOffset = vecs[i].offset;
-		off_t vecLength = min_c(vecs[i].length, requestLength);
+		off_t vecLength = min_c(vecs[i].length, (off_t)requestLength);
 		TRACE_RIO("[%ld]    vec %lu offset: %lld, length: %lld\n",
 			find_thread(NULL), i, vecOffset, vecLength);