diff --git a/README.md b/README.md
index 97fa4bb9f..8b7f59993 100755
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 3559.
+This is the source code for early-access 3560.
 
 ## Legal Notice
 
diff --git a/src/common/address_space.inc b/src/common/address_space.inc
index 4591475c0..6780507dc 100755
--- a/src/common/address_space.inc
+++ b/src/common/address_space.inc
@@ -72,7 +72,7 @@ MAP_MEMBER(void)::MapLocked(VaType virt, PaType phys, VaType size, ExtraBlockInf
                 }
             }()};
 
-            if (block_end_predecessor->virt >= virt) {
+            if (block_end_predecessor != blocks.begin() && block_end_predecessor->virt >= virt) {
                 // If this block's start would be overlapped by the map then reuse it as a tail
                 // block
                 block_end_predecessor->virt = virt_end;