diff --git a/CHANGELOG.md b/CHANGELOG.md
index a628e329..d8d93805 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 
 - Change the URL of Zig submodule from GitHub to Codeberg, see #3519 (@sorairolake)
 - Don't color strings inside CSV files, to make it easier to tell which column they belong to, see #3521 (@keith-hall)
+- Fixed manpage syntax so that ANSI escape codes don't get incorrectly highlighted and thus broken, see #3586 (@BlueElectivire)
 
 ## Themes
 
diff --git a/assets/syntaxes/02_Extra/Manpage.sublime-syntax b/assets/syntaxes/02_Extra/Manpage.sublime-syntax
index 0779ce04..80d1ff98 100644
--- a/assets/syntaxes/02_Extra/Manpage.sublime-syntax
+++ b/assets/syntaxes/02_Extra/Manpage.sublime-syntax
@@ -69,7 +69,7 @@ contexts:
       escape: '(?={{section_heading}})'
 
   function-call:
-    - match: '\b([A-Za-z0-9_\-]+\.)?([A-Za-z0-9_\-]+)(\()([^)]*)(\))'
+    - match: '(?:\s+)(?:\e\[[\?=]?(?:\d+;?)+[A-Za-z])?([A-Za-z0-9_\-^\e]+\.)?([A-Za-z0-9_\-]+)(?:\e\[[\?=]?(?:\d+;?)+[A-Za-z])?(\()([^)]*)(\))'
       captures:
         1: entity.name.function.man
         2: entity.name.function.man