diff --git a/DragonECS.csproj b/DragonECS.csproj
index 802eccf..169856f 100644
--- a/DragonECS.csproj
+++ b/DragonECS.csproj
@@ -10,7 +10,7 @@
         <RootNamespace>DCFApixels.DragonECS</RootNamespace>
 
         <Title>DragonECS</Title>
-        <Version>0.8.63</Version>
+        <Version>0.8.64</Version>
         <Authors>DCFApixels</Authors>
         <Description>ECS Framework for Game Engines with C# and .Net Platform</Description>
         <Copyright>DCFApixels</Copyright>
diff --git a/package.json b/package.json
index 4b521eb..75c6171 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "displayName": "DragonECS",
     "description": "C# Entity Component System Framework",
     "unity": "2020.3",
-    "version": "0.8.63",
+    "version": "0.8.64",
     "repository": {
         "type": "git",
         "url": "https://github.com/DCFApixels/DragonECS.git"
diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 8563944..e2d6bd1 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -952,6 +952,8 @@ namespace DCFApixels.DragonECS
 
             if (itemsCount <= 0) { return 0; }
 
+            const int LO_CHANK_HALF = 65535;
+            const int HI_CHANK_HALF = -65536;
             const int COMPONENT_MASK_CHUNK_SIZE_HALF = COMPONENT_MASK_CHUNK_SIZE / 2;
             // проверка на itemsCount <= 0 не обяательна, алгоритм не ломается,
             // только впустую отрабатыват по всем чанкам,
@@ -971,7 +973,7 @@ namespace DCFApixels.DragonECS
                 }
                 else
                 {
-                    if ((chunk & 0x0000FFFF) != 0)
+                    if ((chunk & LO_CHANK_HALF) != 0)
                     {
                         bit = 0x0000_0001;
                         while (bit < 0x0001_0000)
@@ -991,7 +993,7 @@ namespace DCFApixels.DragonECS
                     {
                         poolIndex += COMPONENT_MASK_CHUNK_SIZE_HALF;
                     }
-                    if ((chunk & -0x7FFF0000) != 0)
+                    if ((chunk & HI_CHANK_HALF) != 0)
                     {
                         bit = 0x0001_0000;
                         while (bit != 0x0000_0000)
@@ -1018,6 +1020,8 @@ namespace DCFApixels.DragonECS
         }
         private unsafe void GetComponentTypeIDsFor_Internal(int entityID, int* componentIDs, int itemsCount)
         {
+            const int LO_CHANK_HALF = 65535;
+            const int HI_CHANK_HALF = -65536;
             const int COMPONENT_MASK_CHUNK_SIZE_HALF = COMPONENT_MASK_CHUNK_SIZE / 2;
             // проверка на itemsCount <= 0 не обяательна, алгоритм не ломается,
             // только впустую отрабатыват по всем чанкам,
@@ -1036,7 +1040,7 @@ namespace DCFApixels.DragonECS
                 }
                 else
                 {
-                    if ((chunk & 0x0000FFFF) != 0)
+                    if ((chunk & LO_CHANK_HALF) != 0)
                     {
                         bit = 0x0000_0001;
                         while (bit < 0x0001_0000)
@@ -1057,7 +1061,7 @@ namespace DCFApixels.DragonECS
                     {
                         poolIndex += COMPONENT_MASK_CHUNK_SIZE_HALF;
                     }
-                    if ((chunk & -0x7FFF0000) != 0)
+                    if ((chunk & HI_CHANK_HALF) != 0)
                     {
                         bit = 0x0001_0000;
                         while (bit != 0x0000_0000)