diff --git a/dlls/kernel32/cpu.c b/dlls/kernel32/cpu.c
index 89482a65e1174834baa2b5c44fdf244f61b97c22..84385c7a0f594531ce8497d43920716a3a911cfc 100644
--- a/dlls/kernel32/cpu.c
+++ b/dlls/kernel32/cpu.c
@@ -157,6 +157,9 @@ VOID WINAPI GetSystemInfo(
         default: si->dwProcessorType = PROCESSOR_ARM920;
         }
         break;
+    case PROCESSOR_ARCHITECTURE_ARM64:
+        si->dwProcessorType = 0;
+        break;
     default:
         FIXME("Unknown processor architecture %x\n", sci.Architecture);
         si->dwProcessorType = 0;