diff --git a/Sources/Kapture/CaptureController.swift b/Sources/Kapture/CaptureController.swift
index a39ef1c..a12fffd 100644
--- a/Sources/Kapture/CaptureController.swift
+++ b/Sources/Kapture/CaptureController.swift
@@ -180,12 +180,12 @@ final class ScreenCapture {
                 config.height = Int(CGFloat(display.height) * backingScale)
                 config.showsCursor = true
 
-                // ScreenCaptureKit's Y axis is flipped relative to AppKit
-                // NSScreen frames. Convert the selection into SCDisplay space
-                // using the matching NSScreen's top edge, then crop there.
+                // ScreenCaptureKit uses a different origin than AppKit for
+                // screens stacked around the main display: per-display,
+                // SCDisplay y = appKitY - NSScreen.maxY + SCDisplay.maxY.
                 let scRect = CGRect(
                     x: rect.minX,
-                    y: screen.frame.maxY - rect.maxY + display.frame.minY,
+                    y: rect.minY - screen.frame.maxY + display.frame.maxY,
                     width: rect.width,
                     height: rect.height
                 )
diff --git a/build-app.sh b/build-app.sh
index 984c3b2..ba1a3fb 100755
--- a/build-app.sh
+++ b/build-app.sh
@@ -108,9 +108,9 @@ cat > "$APP/Contents/Info.plist" <<'PLIST'
     <key>CFBundleIconFile</key>
     <string>Icon</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.1.7</string>
+    <string>1.1.8</string>
     <key>CFBundleVersion</key>
-    <string>17</string>
+    <string>18</string>
     <key>LSUIElement</key>
     <true/>
     <key>NSHighResolutionCapable</key>