diff --git a/src/org/fdroid/fdroid/Utils.java b/src/org/fdroid/fdroid/Utils.java
index 62409bd15..8d146823a 100644
--- a/src/org/fdroid/fdroid/Utils.java
+++ b/src/org/fdroid/fdroid/Utils.java
@@ -178,7 +178,7 @@ public final class Utils {
 
     // return a fingerprint formatted for display
     public static String formatFingerprint(String fingerprint) {
-        if (fingerprint.length() != 62)  // SHA-256 is 62 hex chars
+        if (fingerprint.length() != 64)  // SHA-256 is 64 hex chars
             return "BAD FINGERPRINT";
         String displayFP = fingerprint.substring(0, 2);
         for (int i = 2; i < fingerprint.length(); i = i + 2)
@@ -218,7 +218,7 @@ public final class Utils {
             digest.update(key);
             byte[] fingerprint = digest.digest();
             Formatter formatter = new Formatter(new StringBuilder());
-            for (int i = 1; i < fingerprint.length; i++) {
+            for (int i = 0; i < fingerprint.length; i++) {
                 formatter.format("%02X", fingerprint[i]);
             }
             ret = formatter.toString();
diff --git a/src/org/fdroid/fdroid/data/DBHelper.java b/src/org/fdroid/fdroid/data/DBHelper.java
index 49cfda93a..4d81bb4b4 100644
--- a/src/org/fdroid/fdroid/data/DBHelper.java
+++ b/src/org/fdroid/fdroid/data/DBHelper.java
@@ -96,7 +96,7 @@ public class DBHelper extends SQLiteOpenHelper {
             + "versionName TEXT NOT NULL "
             + " );";
 
-    private static final int DB_VERSION = 43;
+    private static final int DB_VERSION = 44;
 
     private Context context;
 
@@ -322,7 +322,7 @@ public class DBHelper extends SQLiteOpenHelper {
      * calculate its fingerprint and save it to the database.
      */
     private void addFingerprintToRepo(SQLiteDatabase db, int oldVersion) {
-        if (oldVersion < 29) {
+        if (oldVersion < 44) {
             if (!columnExists(db, TABLE_REPO, "fingerprint"))
                 db.execSQL("alter table " + TABLE_REPO + " add column fingerprint text");
             List<Repo> oldrepos = new ArrayList<Repo>();