diff --git a/Sources/Services/ContainerAPIService/Client/Arch.swift b/Sources/Services/ContainerAPIService/Client/Arch.swift
index bc90dea29..743acf64c 100644
--- a/Sources/Services/ContainerAPIService/Client/Arch.swift
+++ b/Sources/Services/ContainerAPIService/Client/Arch.swift
@@ -33,6 +33,8 @@ public enum Arch: String {
         return .arm64
         #elseif arch(x86_64)
         return .amd64
+        #else
+        #error("unsupported host architecture")
         #endif
     }
 }