diff --git a/rpcs3/Emu/Cell/lv2/sys_mmapper.cpp b/rpcs3/Emu/Cell/lv2/sys_mmapper.cpp
index b4f5a2ac50..633d6ae43b 100644
--- a/rpcs3/Emu/Cell/lv2/sys_mmapper.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_mmapper.cpp
@@ -77,6 +77,7 @@ error_code sys_mmapper_allocate_shared_memory(u64 unk, u32 size, u64 flags, vm::
 	// Check page granularity
 	switch (flags & SYS_MEMORY_PAGE_SIZE_MASK)
 	{
+	case 0:
 	case SYS_MEMORY_PAGE_SIZE_1M:
 	{
 		if (size % 0x100000)
@@ -112,7 +113,7 @@ error_code sys_mmapper_allocate_shared_memory(u64 unk, u32 size, u64 flags, vm::
 	}
 
 	// Generate a new mem ID
-	*mem_id = idm::make<lv2_obj, lv2_memory>(size, flags & SYS_MEMORY_PAGE_SIZE_1M ? 0x100000 : 0x10000, flags, dct);
+	*mem_id = idm::make<lv2_obj, lv2_memory>(size, flags & SYS_MEMORY_PAGE_SIZE_64K ? 0x10000 : 0x100000, flags, dct);
 
 	return CELL_OK;
 }
@@ -124,6 +125,7 @@ error_code sys_mmapper_allocate_shared_memory_from_container(u64 unk, u32 size,
 	// Check page granularity.
 	switch (flags & SYS_MEMORY_PAGE_SIZE_MASK)
 	{
+	case 0:
 	case SYS_MEMORY_PAGE_SIZE_1M:
 	{
 		if (size % 0x100000)
@@ -172,7 +174,7 @@ error_code sys_mmapper_allocate_shared_memory_from_container(u64 unk, u32 size,
 	}
 
 	// Generate a new mem ID
-	*mem_id = idm::make<lv2_obj, lv2_memory>(size, flags & SYS_MEMORY_PAGE_SIZE_1M ? 0x100000 : 0x10000, flags, ct.ptr);
+	*mem_id = idm::make<lv2_obj, lv2_memory>(size, flags & SYS_MEMORY_PAGE_SIZE_64K ? 0x10000 : 0x100000, flags, ct.ptr);
 
 	return CELL_OK;
 }