diff --git a/rpcsx-os/main.cpp b/rpcsx-os/main.cpp
index 62bd9f7e5..afca426b6 100644
--- a/rpcsx-os/main.cpp
+++ b/rpcsx-os/main.cpp
@@ -785,10 +785,10 @@ int main(int argc, const char *argv[]) {
         .unk0 = 0x3100000000000001,
         .caps =
             {
-                -1u,
-                -1u,
-                -1u,
-                -1u,
+                -1ul,
+                -1ul,
+                -1ul,
+                -1ul,
             },
         .attrs =
             {