diff --git a/ios/UIImageColors.swift b/ios/UIImageColors.swift
index 3fb6c7469f87744f34d2e552ca5e7551e5c52159..2142cbc2e3f162d00105807862e0bfc5ec90419f 100644
--- a/ios/UIImageColors.swift
+++ b/ios/UIImageColors.swift
@@ -198,7 +198,11 @@ extension UIImage {
                 }
                 self.draw(in: CGRect(x: 0, y: 0, width: newSize.width, height: newSize.height))
                 guard let result = UIGraphicsGetImageFromCurrentImageContext() else {
-                    fatalError("UIImageColors.resizeForUIImageColors failed: UIGraphicsGetImageFromCurrentImageContext returned nil.")
+                    // No palette is better than a dead app: callers already
+                    // handle nil (fallback colours), a trap here killed the
+                    // process instead - audited after background kills while a
+                    // cover was being read.
+                    return nil
                 }
 
                 return result
@@ -240,8 +244,11 @@ extension UIImage {
         let threshold = Int(CGFloat(height)*0.01)
         var proposed: [Double] = [-1,-1,-1,-1]
         
-        guard let data = CFDataGetBytePtr(cgImage.dataProvider!.data) else {
-            fatalError("UIImageColors.getColors failed: could not get cgImage data.")
+        guard let provider = cgImage.dataProvider,
+              let data = CFDataGetBytePtr(provider.data) else {
+            // Same as above: nil flows into the fallback colours, a trap
+            // would take the app - and its audio - down with it.
+            return nil
         }
         
         let imageColors = NSCountedSet(capacity: width*height)