diff --git a/prometeu-studio/src/main/java/p/studio/workspaces/assets/details/bank/AssetDetailsTileBankCompositionFamilySupport.java b/prometeu-studio/src/main/java/p/studio/workspaces/assets/details/bank/AssetDetailsTileBankCompositionFamilySupport.java
index 08babd93..5d721215 100644
--- a/prometeu-studio/src/main/java/p/studio/workspaces/assets/details/bank/AssetDetailsTileBankCompositionFamilySupport.java
+++ b/prometeu-studio/src/main/java/p/studio/workspaces/assets/details/bank/AssetDetailsTileBankCompositionFamilySupport.java
@@ -8,7 +8,9 @@ import p.studio.workspaces.assets.messages.AssetWorkspaceBankCompositionFile;
 import java.util.List;
 
 final class AssetDetailsTileBankCompositionFamilySupport extends AssetDetailsAbstractBankCompositionFamilySupport {
-    private int maxSlots = 64;
+    private static final int ATLAS_SIZE_PX = 256;
+
+    private int maxSlots = slotsForTileSize(16);
 
     @Override
     public boolean supports(AssetFamilyCatalog assetFamily) {
@@ -48,12 +50,16 @@ final class AssetDetailsTileBankCompositionFamilySupport extends AssetDetailsAbs
                 .map(field -> field.value())
                 .findFirst()
                 .orElse("16x16");
-        final int tileSize = switch (tileSizeValue) {
-            case "8x8" -> 8;
-            case "32x32" -> 32;
-            default -> 16;
+        return switch (tileSizeValue) {
+            case "8x8" -> slotsForTileSize(8);
+            case "32x32" -> slotsForTileSize(32);
+            default -> slotsForTileSize(16);
         };
-        return Math.max(1, (256 / tileSize) * (256 / tileSize));
+    }
+
+    private static int slotsForTileSize(int tileSize) {
+        final int tilesPerAxis = Math.max(1, ATLAS_SIZE_PX / tileSize);
+        return tilesPerAxis * tilesPerAxis;
     }
 
     private StudioAssetCapacitySeverity severityFor(double progress) {
diff --git a/prometeu-studio/src/test/java/p/studio/workspaces/assets/details/bank/AssetDetailsBankCompositionCoordinatorTest.java b/prometeu-studio/src/test/java/p/studio/workspaces/assets/details/bank/AssetDetailsBankCompositionCoordinatorTest.java
index 6084fdff..38519060 100644
--- a/prometeu-studio/src/test/java/p/studio/workspaces/assets/details/bank/AssetDetailsBankCompositionCoordinatorTest.java
+++ b/prometeu-studio/src/test/java/p/studio/workspaces/assets/details/bank/AssetDetailsBankCompositionCoordinatorTest.java
@@ -28,6 +28,45 @@ final class AssetDetailsBankCompositionCoordinatorTest {
         assertTrue(coordinator.viewModel().capacityState().blocked());
     }
 
+    @Test
+    void tileFamilyUsesAtlasCapacityFor8x8Tiles() {
+        final AssetDetailsBankCompositionCoordinator coordinator = new AssetDetailsBankCompositionCoordinator();
+        coordinator.replaceDetails(tileDetails("8x8", 1_100));
+        coordinator.beginEdit();
+
+        coordinator.moveToSelected(coordinator.viewModel().availableFiles());
+
+        assertEquals(1_024, coordinator.viewModel().selectedFiles().size());
+        assertEquals("1024 / 1024", coordinator.viewModel().capacityState().labelText());
+        assertTrue(coordinator.viewModel().capacityState().blocked());
+    }
+
+    @Test
+    void tileFamilyUsesAtlasCapacityFor16x16Tiles() {
+        final AssetDetailsBankCompositionCoordinator coordinator = new AssetDetailsBankCompositionCoordinator();
+        coordinator.replaceDetails(tileDetails("16x16", 300));
+        coordinator.beginEdit();
+
+        coordinator.moveToSelected(coordinator.viewModel().availableFiles());
+
+        assertEquals(256, coordinator.viewModel().selectedFiles().size());
+        assertEquals("256 / 256", coordinator.viewModel().capacityState().labelText());
+        assertTrue(coordinator.viewModel().capacityState().blocked());
+    }
+
+    @Test
+    void tileFamilyUsesAtlasCapacityFor32x32Tiles() {
+        final AssetDetailsBankCompositionCoordinator coordinator = new AssetDetailsBankCompositionCoordinator();
+        coordinator.replaceDetails(tileDetails("32x32", 100));
+        coordinator.beginEdit();
+
+        coordinator.moveToSelected(coordinator.viewModel().availableFiles());
+
+        assertEquals(64, coordinator.viewModel().selectedFiles().size());
+        assertEquals("64 / 64", coordinator.viewModel().capacityState().labelText());
+        assertTrue(coordinator.viewModel().capacityState().blocked());
+    }
+
     @Test
     void soundFamilyBlocksSelectionAfterByteCapacity() {
         final AssetDetailsBankCompositionCoordinator coordinator = new AssetDetailsBankCompositionCoordinator();