diff --git a/syntax/nanorc.nanorc b/syntax/nanorc.nanorc
index 1325c0e6..fe2177cf 100644
--- a/syntax/nanorc.nanorc
+++ b/syntax/nanorc.nanorc
@@ -33,7 +33,7 @@ color magenta "^[[:blank:]]*i?color\>|[[:blank:]](start=|end=)"
 color bold,pink "[[:cntrl:]]"
 
 # Comments
-color brightblue "^[[:blank:]]*#.*|[[:blank:]]#[[:blank:]].*"
+color brightblue "^[[:blank:]]*#.*|[[:blank:]]#.{0,2}[^[:xdigit:]].*"
 color cyan "^[[:blank:]]*##.*"
 
 # Trailing whitespace