diff --git a/src/ZoneTree/Segments/Disk/DiskSegment.cs b/src/ZoneTree/Segments/Disk/DiskSegment.cs
index 4080602..a2b479f 100644
--- a/src/ZoneTree/Segments/Disk/DiskSegment.cs
+++ b/src/ZoneTree/Segments/Disk/DiskSegment.cs
@@ -33,7 +33,7 @@ public abstract class DiskSegment<TKey, TValue> : IDiskSegment<TKey, TValue>
 
     volatile bool IsDropRequested;
 
-    protected volatile bool IsDroppping;
+    protected volatile bool IsDropping;
 
     bool IsDropped;
 
@@ -317,7 +317,7 @@ public void Drop()
 
             // reads will increase ReadCount when they begin,
             // and decrease ReadCount when they end.
-            IsDroppping = true;
+            IsDropping = true;
             // After the flag change,
             // reads will start throwing DiskSegmentIsDroppingException
 
diff --git a/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyAndValueDiskSegment.cs b/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyAndValueDiskSegment.cs
index 9a68ae6..d375a0c 100644
--- a/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyAndValueDiskSegment.cs
+++ b/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyAndValueDiskSegment.cs
@@ -131,7 +131,7 @@ protected override TKey ReadKey(long index, BlockPin blockPin)
         {
             if (CircularKeyCache.TryGet(index, out var key)) return key;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
@@ -158,7 +158,7 @@ protected override TValue ReadValue(long index, BlockPin blockPin)
         {
             if (CircularValueCache.TryGet(index, out var value)) return value;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
diff --git a/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyDiskSegment.cs b/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyDiskSegment.cs
index 7033f21..adb9e95 100644
--- a/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyDiskSegment.cs
+++ b/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeKeyDiskSegment.cs
@@ -151,7 +151,7 @@ protected unsafe override TKey ReadKey(long index, BlockPin blockPin)
         {
             if (CircularKeyCache.TryGet(index, out var key)) return key;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
@@ -178,7 +178,7 @@ protected unsafe override TValue ReadValue(long index, BlockPin blockPin)
         {
             if (CircularValueCache.TryGet(index, out var value)) return value;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
diff --git a/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeValueDiskSegment.cs b/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeValueDiskSegment.cs
index c0a08ef..8216437 100644
--- a/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeValueDiskSegment.cs
+++ b/src/ZoneTree/Segments/DiskSegmentVariations/FixedSizeValueDiskSegment.cs
@@ -150,7 +150,7 @@ protected unsafe override TKey ReadKey(long index, BlockPin blockPin)
         {
             if (CircularKeyCache.TryGet(index, out var key)) return key;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
@@ -184,7 +184,7 @@ protected unsafe override TValue ReadValue(long index, BlockPin blockPin)
         {
             if (CircularValueCache.TryGet(index, out var value)) return value;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
diff --git a/src/ZoneTree/Segments/DiskSegmentVariations/VariableSizeDiskSegment.cs b/src/ZoneTree/Segments/DiskSegmentVariations/VariableSizeDiskSegment.cs
index b736d3f..671f85a 100644
--- a/src/ZoneTree/Segments/DiskSegmentVariations/VariableSizeDiskSegment.cs
+++ b/src/ZoneTree/Segments/DiskSegmentVariations/VariableSizeDiskSegment.cs
@@ -156,7 +156,7 @@ protected unsafe override TKey ReadKey(long index, BlockPin blockPin)
         {
             if (CircularKeyCache.TryGet(index, out var key)) return key;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }
@@ -189,7 +189,7 @@ protected unsafe override TValue ReadValue(long index, BlockPin blockPin)
         {
             if (CircularValueCache.TryGet(index, out var value)) return value;
             Interlocked.Increment(ref ReadCount);
-            if (IsDroppping)
+            if (IsDropping)
             {
                 throw new DiskSegmentIsDroppingException();
             }