diff --git a/AltStore/Operations/DownloadAppOperation.swift b/AltStore/Operations/DownloadAppOperation.swift
index 024e3520..3bd5f832 100644
--- a/AltStore/Operations/DownloadAppOperation.swift
+++ b/AltStore/Operations/DownloadAppOperation.swift
@@ -80,8 +80,6 @@ class DownloadAppOperation: ResultOperation<ALTApplication>
                 
                 guard let application = ALTApplication(fileURL: appBundleURL) else { throw OperationError.invalidApp }
                 
-                guard ProcessInfo.processInfo.isOperatingSystemAtLeast(application.minimumiOSVersion) else { throw OperationError.iOSVersionNotSupported(application) }
-                
                 try FileManager.default.copyItem(at: appBundleURL, to: self.destinationURL, shouldReplace: true)
                 
                 if self.context.bundleIdentifier == StoreApp.dolphinAppID, self.context.bundleIdentifier != application.bundleIdentifier
diff --git a/AltStore/Operations/OperationError.swift b/AltStore/Operations/OperationError.swift
index 82ed2a51..497129d5 100644
--- a/AltStore/Operations/OperationError.swift
+++ b/AltStore/Operations/OperationError.swift
@@ -24,7 +24,6 @@ enum OperationError: LocalizedError
     case invalidApp
     case invalidParameters
     
-    case iOSVersionNotSupported(ALTApplication)
     case maximumAppIDLimitReached(application: ALTApplication, requiredAppIDs: Int, availableAppIDs: Int, nextExpirationDate: Date)
     
     case noSources
@@ -46,18 +45,6 @@ enum OperationError: LocalizedError
         case .noSources: return NSLocalizedString("There are no AltStore sources.", comment: "")
         case .openAppFailed(let name): return String(format: NSLocalizedString("AltStore was denied permission to launch %@.", comment: ""), name)
         case .missingAppGroup: return NSLocalizedString("AltStore's shared app group could not be found.", comment: "")
-        case .iOSVersionNotSupported(let app):
-            let name = app.name
-            
-            var version = "iOS \(app.minimumiOSVersion.majorVersion).\(app.minimumiOSVersion.minorVersion)"
-            if app.minimumiOSVersion.patchVersion > 0
-            {
-                version += ".\(app.minimumiOSVersion.patchVersion)"
-            }
-            
-            let localizedDescription = String(format: NSLocalizedString("%@ requires %@.", comment: ""), name, version)
-            return localizedDescription
-            
         case .maximumAppIDLimitReached: return NSLocalizedString("Cannot register more than 10 App IDs.", comment: "")
         }
     }
diff --git a/AltStore/Operations/VerifyAppOperation.swift b/AltStore/Operations/VerifyAppOperation.swift
index f451db2d..1daa92b0 100644
--- a/AltStore/Operations/VerifyAppOperation.swift
+++ b/AltStore/Operations/VerifyAppOperation.swift
@@ -15,12 +15,14 @@ enum VerificationError: ALTLocalizedError
 {
     case privateEntitlements(ALTApplication, entitlements: [String: Any])
     case mismatchedBundleIdentifiers(ALTApplication, sourceBundleID: String)
+    case iOSVersionNotSupported(ALTApplication)
     
     var app: ALTApplication {
         switch self
         {
         case .privateEntitlements(let app, _): return app
         case .mismatchedBundleIdentifiers(let app, _): return app
+        case .iOSVersionNotSupported(let app): return app
         }
     }
     
@@ -36,6 +38,18 @@ enum VerificationError: ALTLocalizedError
             
         case .mismatchedBundleIdentifiers(let app, let sourceBundleID):
             return String(format: NSLocalizedString("The bundle ID “%@” does not match the one specified by the source (“%@”).", comment: ""), app.bundleIdentifier, sourceBundleID)
+            
+        case .iOSVersionNotSupported(let app):
+            let name = app.name
+            
+            var version = "iOS \(app.minimumiOSVersion.majorVersion).\(app.minimumiOSVersion.minorVersion)"
+            if app.minimumiOSVersion.patchVersion > 0
+            {
+                version += ".\(app.minimumiOSVersion.patchVersion)"
+            }
+            
+            let localizedDescription = String(format: NSLocalizedString("%@ requires %@.", comment: ""), name, version)
+            return localizedDescription
         }
     }
 }
@@ -69,7 +83,11 @@ class VerifyAppOperation: ResultOperation<Void>
             guard app.bundleIdentifier == self.context.bundleIdentifier else {
                 throw VerificationError.mismatchedBundleIdentifiers(app, sourceBundleID: self.context.bundleIdentifier)
             }
-                        
+            
+            guard ProcessInfo.processInfo.isOperatingSystemAtLeast(app.minimumiOSVersion) else {
+                throw VerificationError.iOSVersionNotSupported(app)
+            }
+            
             if #available(iOS 13.5, *)
             {
                 // No psychic paper, so we can ignore private entitlements
@@ -149,6 +167,7 @@ private extension VerifyAppOperation
                 presentingViewController.present(alertController, animated: true, completion: nil)
                 
             case .mismatchedBundleIdentifiers: return completion(.failure(error))
+            case .iOSVersionNotSupported: return completion(.failure(error))
             }
         }
     }