diff --git a/src/main/java/moe/nekojimi/friendcloud/Util.java b/src/main/java/moe/nekojimi/friendcloud/Util.java
index 5a74c3e..5533260 100644
--- a/src/main/java/moe/nekojimi/friendcloud/Util.java
+++ b/src/main/java/moe/nekojimi/friendcloud/Util.java
@@ -73,7 +73,7 @@ public class Util
 			}
 			ret.totalDigest = totalDigest.digest();
 			System.out.println("Total hash: " + HexFormat.of().formatHex(ret.totalDigest));
-			long pieceCount = file.length() / pieceSize;
+			long pieceCount = Math.ceilDiv(file.length() , pieceSize);
 			System.out.println("Have " + ret.pieces.cardinality() + " of " + pieceCount + " pieces.");
 			return ret;
 		} catch (NoSuchAlgorithmException | IOException e)