diff --git a/.ci/ps4/build.sh b/.ci/ps4/build.sh
index 0bffdca680..a4bfc97540 100755
--- a/.ci/ps4/build.sh
+++ b/.ci/ps4/build.sh
@@ -30,6 +30,8 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
 set(CMAKE_SIZEOF_VOID_P 8)
 EOF
 
+NPROC=$(nproc || 1)
+
 # Normally a platform has a package manager
 # PS4 does not, atleast not in the normal sense
 export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" $@)
@@ -51,4 +53,4 @@ cmake -S . -B build -G "Unix Makefiles" \
     -DYUZU_USE_EXTERNAL_FFMPEG=ON \
     -DYUZU_USE_CPM=ON \
     "${EXTRA_CMAKE_FLAGS[@]}" || exit
-cmake --build build -t yuzu-cmd_pkg -- -j8
+cmake --build build -t yuzu-cmd_pkg -- -j$NPROC
diff --git a/src/core/hle/service/services.cpp b/src/core/hle/service/services.cpp
index 636f54ad49..7d9372e694 100644
--- a/src/core/hle/service/services.cpp
+++ b/src/core/hle/service/services.cpp
@@ -73,6 +73,13 @@ Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system
 
     system.GetFileSystemController().CreateFactories(*system.GetFilesystem(), false);
 
+#ifdef __OPENORBIS__
+    // PS4 requires us to run this on a single thread so we don't immediately die
+    bool const run_on_host = false;
+#else
+    bool const run_on_host = true;
+#endif
+
     // Just a quick C++ lesson
     // Capturing lambdas will silently create new variables for the objects referenced via <ident> = <expr>
     // and create a `auto&` sorts of for `&`; with all your usual reference shenanigans.
@@ -92,9 +99,12 @@ Services::Services(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system
         {"Loader",     &LDR::LoopProcess},
         {"nvservices", &Nvidia::LoopProcess},
         {"bsdsocket",  &Sockets::LoopProcess},
-    })
-        kernel.RunOnHostCoreProcess(std::string(e.first), [&system, f = e.second] { f(system); }).detach();
-    kernel.RunOnHostCoreProcess("vi",         [&, token] { VI::LoopProcess(system, token); }).detach();
+    }) {
+        if (run_on_host) kernel.RunOnHostCoreProcess("vi", [&, token] { VI::LoopProcess(system, token); }).detach();
+        else kernel.RunOnGuestCoreProcess(std::string(e.first), [&system, f = e.second] { f(system); });
+    }
+    if (run_on_host) kernel.RunOnHostCoreProcess("vi", [&, token] { VI::LoopProcess(system, token); }).detach();
+    else kernel.RunOnGuestCoreProcess("vi", [&, token] { VI::LoopProcess(system, token); });
     // Avoid cold clones of lambdas -- succintly
     for (auto const& e : std::vector<std::pair<std::string_view, void (*)(Core::System&)>>{
         {"sm",         &SM::LoopProcess},