diff --git a/speak-logs.sh b/speak-logs.sh
index 5595e23..29d6368 100644
--- a/speak-logs.sh
+++ b/speak-logs.sh
@@ -16,6 +16,8 @@ sed -E '/^(..:..) -!- ([^ ]+).*has left \#[^ ]* \[[^]]*\]$/d' |
 sed -E 's,^(..:..) -!- ([^ ]+) is now known as ([^ ]+)$,<meta>\1 \2 became \3</meta>,' |
 # Speak day changes specially
 sed -E 's,^ --- (Day changed .*)$,<meta>\1</meta>,' |
+# Remove minicat topic diffs
+sed -E '/^(..:..) \&lt\;.minicat\&gt\; .?\(diff\).*/d' |
 # Speak timestaps and nicks specially
 sed -E 's,^(..:..) \&lt\;.?([^& ]+)\&gt\;,<meta>\1 \2</meta>,' |
 sed -E 's,^(..:..)  \* ([^ ]+),<meta>\1 action \2</meta>,' |
@@ -31,8 +33,8 @@ sed -E 's,(https?|gopher)://[^ )>]+,<meta> \1 URL</meta>,g' |
 # Handle some common emoticons
 sed -E 's,\^_\^,<meta>happy eyes emoticon</meta>,g' |
 sed -E 's,\\o\/,<meta>arms in air emoticon</meta>,g' |
-sed -E 's,o\/,<meta>arm in air emoticon</meta>,g' |
-sed -E 's,\\o,<meta>arm in air emoticon</meta>,g' |
+sed -E 's,\bo\/,<meta>arm in air emoticon</meta>,g' |
+sed -E 's,\\o\b,<meta>arm in air emoticon</meta>,g' |
 sed -E 's,\:\),<meta>smiling emoticon</meta>,g' |
 sed -E 's,\(\:,<meta>reversed smiling emoticon</meta>,g' |
 sed -E 's,\:\(,<meta>sad emoticon</meta>,g' |