diff --git a/Sources/Infrastructure/Apps/AssetLibrary/Images/SDKLibraryImageRepository.swift b/Sources/Infrastructure/Apps/AssetLibrary/Images/SDKLibraryImageRepository.swift
index 1b7f1335..625b9d36 100644
--- a/Sources/Infrastructure/Apps/AssetLibrary/Images/SDKLibraryImageRepository.swift
+++ b/Sources/Infrastructure/Apps/AssetLibrary/Images/SDKLibraryImageRepository.swift
@@ -18,8 +18,8 @@ public struct SDKLibraryImageRepository: LibraryImageRepository, @unchecked Send
         category: AssetCategory?
     ) async throws -> [LibraryImage] {
         let sdk = APIEndpoint.v1.appAssetLibraries.id(libraryId).images.get(parameters: .init(
-            filterCategory: category.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
-            filterState: state.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
+            filterCategory: sdkFilter(category),
+            filterState: sdkFilter(state),
             filterID: imageId.map { [$0] },
             limit: 200
         ))
diff --git a/Sources/Infrastructure/Apps/AssetLibrary/Placements/SDKAssetPlacementRepository.swift b/Sources/Infrastructure/Apps/AssetLibrary/Placements/SDKAssetPlacementRepository.swift
index def8e357..3ace294d 100644
--- a/Sources/Infrastructure/Apps/AssetLibrary/Placements/SDKAssetPlacementRepository.swift
+++ b/Sources/Infrastructure/Apps/AssetLibrary/Placements/SDKAssetPlacementRepository.swift
@@ -117,25 +117,25 @@ public struct SDKAssetPlacementRepository: AssetPlacementRepository, @unchecked
         switch surface {
         case .appStoreVersionLocalization:
             let r = APIEndpoint.v1.appStoreVersionLocalizations.id(localizationId).placements.get(parameters: .init(
-                filterPlacementType: placementType.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
+                filterPlacementType: sdkFilter(placementType),
                 filterPlacementGroup: groups, sort: [.placementGroupPosition], limit: 200, include: [.image, .video]
             ))
             sdk = (r.path, r.query)
         case .experimentTreatmentLocalization:
             let r = APIEndpoint.v1.appStoreVersionExperimentTreatmentLocalizations.id(localizationId).placements.get(parameters: .init(
-                filterPlacementType: placementType.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
+                filterPlacementType: sdkFilter(placementType),
                 filterPlacementGroup: groups, sort: [.placementGroupPosition], limit: 200, include: [.image, .video]
             ))
             sdk = (r.path, r.query)
         case .customProductPageLocalization:
             let r = APIEndpoint.v1.appCustomProductPageLocalizations.id(localizationId).placements.get(parameters: .init(
-                filterPlacementType: placementType.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
+                filterPlacementType: sdkFilter(placementType),
                 filterPlacementGroup: groups, sort: [.placementGroupPosition], limit: 200, include: [.image, .video]
             ))
             sdk = (r.path, r.query)
         case .eventLocalization:
             let r = APIEndpoint.v1.appEventLocalizations.id(localizationId).placements.get(parameters: .init(
-                filterPlacementType: placementType.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
+                filterPlacementType: sdkFilter(placementType),
                 filterPlacementGroup: groups, sort: [.placementGroupPosition], limit: 200, include: [.image, .video]
             ))
             sdk = (r.path, r.query)
diff --git a/Sources/Infrastructure/Apps/AssetLibrary/Videos/SDKLibraryVideoRepository.swift b/Sources/Infrastructure/Apps/AssetLibrary/Videos/SDKLibraryVideoRepository.swift
index f8efb908..14c46bdd 100644
--- a/Sources/Infrastructure/Apps/AssetLibrary/Videos/SDKLibraryVideoRepository.swift
+++ b/Sources/Infrastructure/Apps/AssetLibrary/Videos/SDKLibraryVideoRepository.swift
@@ -18,8 +18,8 @@ public struct SDKLibraryVideoRepository: LibraryVideoRepository, @unchecked Send
         category: AssetCategory?
     ) async throws -> [LibraryVideo] {
         let sdk = APIEndpoint.v1.appAssetLibraries.id(libraryId).videos.get(parameters: .init(
-            filterCategory: category.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
-            filterState: state.flatMap { .init(rawValue: $0.rawValue) }.map { [$0] },
+            filterCategory: sdkFilter(category),
+            filterState: sdkFilter(state),
             filterID: videoId.map { [$0] },
             limit: 200
         ))
diff --git a/Sources/Infrastructure/Shared/SDKFilter.swift b/Sources/Infrastructure/Shared/SDKFilter.swift
new file mode 100644
index 00000000..70cb20fc
--- /dev/null
+++ b/Sources/Infrastructure/Shared/SDKFilter.swift
@@ -0,0 +1,10 @@
+/// Turns an optional domain enum into the one-element SDK filter array a query parameter takes,
+/// or `nil` when there is no value (or the SDK has no matching case).
+///
+/// The SDK type comes from the parameter being filled. Spelled as a generic function because
+/// Swift 6.2 can't infer `.init(rawValue:)` through `value.flatMap { .init(…) }.map { [$0] }`.
+func sdkFilter<SDKValue: RawRepresentable, DomainValue: RawRepresentable>(
+    _ value: DomainValue?
+) -> [SDKValue]? where SDKValue.RawValue == String, DomainValue.RawValue == String {
+    value.flatMap { SDKValue(rawValue: $0.rawValue) }.map { [$0] }
+}