diff --git a/src/core/system.cpp b/src/core/system.cpp
index 94f4e709c..749cc570d 100644
--- a/src/core/system.cpp
+++ b/src/core/system.cpp
@@ -1495,7 +1495,11 @@ bool System::BootSystem(SystemBootParameters parameters, Error* error)
   if (CDROM::HasMedia() && (parameters.override_fast_boot.has_value() ? parameters.override_fast_boot.value() :
                                                                         g_settings.bios_patch_fast_boot))
   {
-    if (s_bios_image_info && s_bios_image_info->patch_compatible)
+    if (CDROM::IsMediaPS1Disc())
+    {
+      Log_ErrorPrint("Not fast booting non-PS1 disc.");
+    }
+    else if (s_bios_image_info && s_bios_image_info->patch_compatible)
     {
       // TODO: Fast boot without patches...
       BIOS::PatchBIOSFastBoot(Bus::g_bios, Bus::BIOS_SIZE);
@@ -1503,7 +1507,7 @@ bool System::BootSystem(SystemBootParameters parameters, Error* error)
     }
     else
     {
-      Log_ErrorPrintf("Not patching fast boot, as BIOS is not patch compatible.");
+      Log_ErrorPrint("Not patching fast boot, as BIOS is not patch compatible.");
     }
   }