diff --git a/yamls/us/overlays.yaml b/yamls/us/overlays.yaml
index 1b364666..57e2eedf 100644
--- a/yamls/us/overlays.yaml
+++ b/yamls/us/overlays.yaml
@@ -7,7 +7,7 @@
     dir: overlays/segment_DF4260
     start: 0xDF4260
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xDF4260, c, DF4260]
@@ -27,7 +27,7 @@
     dir: overlays/segment_E08400
     start: 0xE08400
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:    
     - [0xE08400, c, E08400]
@@ -42,7 +42,7 @@
     dir: overlays/segment_E16C50
     start: 0xE16C50
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xE16C50, c, E16C50]
@@ -63,7 +63,7 @@
     dir: overlays/segment_E51970
     start: 0xE51970
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xE51970, c, E51970]
@@ -86,7 +86,7 @@
     dir: overlays/segment_E6A810
     start: 0xE6A810
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xE6A810, c, E6A810]
@@ -104,7 +104,7 @@
     dir: overlays/segment_E9F1D0
     start: 0xE9F1D0
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xE9F1D0, c, E9F1D0]
@@ -125,7 +125,7 @@
     dir: overlays/segment_EBFBE0
     start: 0xEBFBE0
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xEBFBE0, c]
@@ -145,7 +145,7 @@
     dir: overlays/segment_EF0260
     start: 0xEF0260
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xEF0260, c]
@@ -160,7 +160,7 @@
     dir: overlays
     start: 0xEFFA40
     vram: 0x80187520
-    exclusive_ram_id: overlays
+    exclusive_ram_id: overlay
     symbol_name_format: $VRAM_$ROM
     subsegments:
     - [0xEFFA40, asm]