diff --git a/rpcs3/Emu/Cell/lv2/sys_process.cpp b/rpcs3/Emu/Cell/lv2/sys_process.cpp
index 24c48653b4..90b4764128 100644
--- a/rpcs3/Emu/Cell/lv2/sys_process.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_process.cpp
@@ -231,7 +231,7 @@ CellError process_is_spu_lock_line_reservation_address(u32 addr, u64 flags)
 		return CELL_EPERM;
 	default:
 	{
-		if (auto vm0 = idm::get<sys_vm_t>(sys_vm_t::find_id(addr & -0x1000'0000)))
+		if (auto vm0 = idm::get<sys_vm_t>(sys_vm_t::find_id(addr)))
 		{
 			// sys_vm area was not covering the address specified but made a reservation on the entire 256mb region
 			if (vm0->addr + vm0->size - 1 < addr)
diff --git a/rpcs3/Emu/Cell/lv2/sys_rsx.cpp b/rpcs3/Emu/Cell/lv2/sys_rsx.cpp
index f3c9eb5ed1..d41f0ccac9 100644
--- a/rpcs3/Emu/Cell/lv2/sys_rsx.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_rsx.cpp
@@ -6,7 +6,9 @@
 #include "Emu/Cell/timers.hpp"
 #include "Emu/Memory/vm_locking.h"
 #include "Emu/RSX/RSXThread.h"
+#include "util/asm.hpp"
 #include "sys_event.h"
+#include "sys_vm.h"
 
 LOG_CHANNEL(sys_rsx);
 
@@ -324,6 +326,12 @@ error_code sys_rsx_context_iomap(cpu_thread& cpu, u32 context_id, u32 io, u32 ea
 		{
 			return CELL_EINVAL;
 		}
+
+		if ((addr == ea || !(addr % 0x1000'0000)) && idm::check<sys_vm_t>(sys_vm_t::find_id(addr)))
+		{
+			// Virtual memory is disallowed
+			return CELL_EINVAL;
+		}
 	}
 
 	io >>= 20, ea >>= 20, size >>= 20;