diff --git a/beacon-chain/db/kv/state_diff_helpers.go b/beacon-chain/db/kv/state_diff_helpers.go
index 71b58b54aa..5af47e71de 100644
--- a/beacon-chain/db/kv/state_diff_helpers.go
+++ b/beacon-chain/db/kv/state_diff_helpers.go
@@ -221,13 +221,15 @@ func (s *Store) getBaseAndDiffChain(offset uint64, slot primitives.Slot) (state.
 	}
 
 	var diffChainItems []diffItem
+	lastSeenAnchorSlot := baseAnchorSlot
 	for i, exp := range exponents[1 : lvl+1] {
 		span := math.PowerOf2(uint64(exp))
 		diffSlot := rel / span * span
-		if diffSlot == baseAnchorSlot {
+		if diffSlot == lastSeenAnchorSlot {
 			continue
 		}
 		diffChainItems = append(diffChainItems, diffItem{level: i + 1, slot: diffSlot + offset})
+		lastSeenAnchorSlot = diffSlot
 	}
 
 	baseSnapshot, err := s.getFullSnapshot(baseAnchorSlot)
diff --git a/beacon-chain/db/kv/state_diff_test.go b/beacon-chain/db/kv/state_diff_test.go
index 93ade0bb30..06d1ae5022 100644
--- a/beacon-chain/db/kv/state_diff_test.go
+++ b/beacon-chain/db/kv/state_diff_test.go
@@ -278,6 +278,46 @@ func TestStateDiff_SaveAndReadDiff(t *testing.T) {
 	}
 }
 
+func TestStateDiff_SaveAndReadDiff_WithRepetitiveAnchorSlots(t *testing.T) {
+	globalFlags := flags.GlobalFlags{
+		StateDiffExponents: []int{20, 14, 10, 7, 5},
+	}
+	flags.Init(&globalFlags)
+
+	for v := range version.All() {
+		t.Run(version.String(v), func(t *testing.T) {
+			db := setupDB(t)
+
+			err := setOffsetInDB(db, 0)
+
+			st, _ := createState(t, 0, v)
+			require.NoError(t, err)
+			err = db.saveStateByDiff(context.Background(), st)
+			require.NoError(t, err)
+
+			slot := primitives.Slot(math.PowerOf2(11))
+			st, _ = createState(t, slot, v)
+			err = db.saveStateByDiff(context.Background(), st)
+			require.NoError(t, err)
+
+			slot = primitives.Slot(math.PowerOf2(11) + math.PowerOf2(5))
+			st, _ = createState(t, slot, v)
+			err = db.saveStateByDiff(context.Background(), st)
+			require.NoError(t, err)
+
+			readSt, err := db.stateByDiff(context.Background(), slot)
+			require.NoError(t, err)
+			require.NotNil(t, readSt)
+
+			stSSZ, err := st.MarshalSSZ()
+			require.NoError(t, err)
+			readStSSZ, err := readSt.MarshalSSZ()
+			require.NoError(t, err)
+			require.DeepSSZEqual(t, stSSZ, readStSSZ)
+		})
+	}
+}
+
 func TestStateDiff_SaveAndReadDiff_MultipleLevels(t *testing.T) {
 	setDefaultExponents()
 
diff --git a/changelog/bastin_state-diff-anchor-slot-bug.md b/changelog/bastin_state-diff-anchor-slot-bug.md
new file mode 100644
index 0000000000..87fad46eea
--- /dev/null
+++ b/changelog/bastin_state-diff-anchor-slot-bug.md
@@ -0,0 +1,3 @@
+### Fixed
+
+- Fix state diff repetitive anchor slot bug.
\ No newline at end of file