diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 12188bd2..f7f9d7dc 100755
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -194,7 +194,7 @@ Apollo Guidance Computer:
   group: Assembly
   extensions:
   - .agc
-  tm_scope: source.assembly
+  tm_scope: source.agc
   ace_mode: assembly_x86
 
 AppleScript: