diff --git a/core/linux/posix_vmem.cpp b/core/linux/posix_vmem.cpp
index 6916e3df2..5c8b258dc 100644
--- a/core/linux/posix_vmem.cpp
+++ b/core/linux/posix_vmem.cpp
@@ -235,7 +235,7 @@ void vmem_platform_create_mappings(const vmem_mapping *vmem_maps, unsigned numma
 
 		for (unsigned j = 0; j < num_mirrors; j++) {
 			u64 offset = vmem_maps[i].start_address + j * vmem_maps[i].memsize;
-			verify(mem_region_unmap_file(&virt_ram_base[offset], vmem_maps[i].memsize));
+//			verify(mem_region_unmap_file(&virt_ram_base[offset], vmem_maps[i].memsize));
 			verify(mem_region_map_file((void*)(uintptr_t)vmem_fd, &virt_ram_base[offset],
 					vmem_maps[i].memsize, vmem_maps[i].memoffset, vmem_maps[i].allow_writes) != NULL);
 		}
diff --git a/core/serialize.cpp b/core/serialize.cpp
index cbd9827e1..0886f3042 100644
--- a/core/serialize.cpp
+++ b/core/serialize.cpp
@@ -764,10 +764,13 @@ bool dc_unserialize(void **data, unsigned int *total_size)
 		WARN_LOG(SAVESTATE, "Save State version not supported: %d", version);
 		return false;
 	}
-	else
+	if (version > VCUR_FLYCAST)
 	{
-		DEBUG_LOG(SAVESTATE, "Loading state version %d", version);
+		WARN_LOG(SAVESTATE, "Save State version too recent: %d", version);
+		return false;
 	}
+	DEBUG_LOG(SAVESTATE, "Loading state version %d", version);
+
 	REICAST_US(aica_interr) ;
 	REICAST_US(aica_reg_L) ;
 	REICAST_US(e68k_out) ;