diff --git a/zsnes/src/linux/copyvwin.asm b/zsnes/src/linux/copyvwin.asm
index dbb56ac6..88e622ab 100644
--- a/zsnes/src/linux/copyvwin.asm
+++ b/zsnes/src/linux/copyvwin.asm
@@ -1542,7 +1542,7 @@ NEWSYM interpolate640x480x16bwin
     add edx,4
     dec ecx
     jnz .ab3
-    add edi,AddEndBytes
+    add edi,[AddEndBytes]
     add edi,4
     mov ecx,255
     mov edx,[spritetablea]
diff --git a/zsnes/src/win/copyvwin.asm b/zsnes/src/win/copyvwin.asm
index 3e129e65..cff8b3d1 100644
--- a/zsnes/src/win/copyvwin.asm
+++ b/zsnes/src/win/copyvwin.asm
@@ -1512,7 +1512,7 @@ NEWSYM interpolate640x480x16bwin
     add edx,4
     dec ecx
     jnz .ab3
-    add edi,AddEndBytes
+    add edi,[AddEndBytes]
     add edi,4
     mov ecx,255
     mov edx,[spritetablea]