diff --git a/rpcs3/Emu/Cell/lv2/sys_rsx.cpp b/rpcs3/Emu/Cell/lv2/sys_rsx.cpp
index aa6712decb..d9e89a4ade 100644
--- a/rpcs3/Emu/Cell/lv2/sys_rsx.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_rsx.cpp
@@ -186,7 +186,7 @@ error_code sys_rsx_context_iomap(u32 context_id, u32 io, u32 ea, u32 size, u64 f
 
 	for (u32 addr = ea, end = ea + size; addr < end; addr += 0x100000)
 	{
-		if (!vm::check_addr(addr, 1, vm::page_allocated | vm::page_1m_size))
+		if (!vm::check_addr(addr, 1, vm::page_allocated | (addr < 0x20000000 ? 0 : vm::page_1m_size)))
 		{
 			return CELL_EINVAL;
 		}
@@ -537,4 +537,4 @@ error_code sys_rsx_attribute(u32 packageId, u32 a2, u32 a3, u32 a4, u32 a5)
 	sys_rsx.warning("sys_rsx_attribute(packageId=0x%x, a2=0x%x, a3=0x%x, a4=0x%x, a5=0x%x)", packageId, a2, a3, a4, a5);
 
 	return CELL_OK;
-}
\ No newline at end of file
+}