diff --git a/subsys/fs/ext2/ext2_impl.c b/subsys/fs/ext2/ext2_impl.c
index 201e8cd92cbbcc..507e72f971c269 100644
--- a/subsys/fs/ext2/ext2_impl.c
+++ b/subsys/fs/ext2/ext2_impl.c
@@ -630,7 +630,7 @@ ssize_t ext2_inode_read(struct ext2_inode *inode, void *buf, uint32_t offset, si
 		memcpy((uint8_t *)buf + read, inode_current_block_mem(inode) + block_off, to_read);
 
 		read += to_read;
-		nbytes_to_read -= read;
+		nbytes_to_read -= to_read;
 		offset += to_read;
 	}