diff --git a/pollen/scribblings/mb.tex b/pollen/scribblings/mb.tex
index 765eaf7..e1fea35 100644
--- a/pollen/scribblings/mb.tex
+++ b/pollen/scribblings/mb.tex
@@ -17,5 +17,5 @@
 \newsavebox{\noskipbox}
 \newenvironment{noskip}{}{}
 
-% pdflatex chokes on emoji
-\DeclareUnicodeCharacter{1F3B8}{}
+% pdflatex chokes on emoji. Use ∇ in place of the guitar in setup.scrbl
+\DeclareUnicodeCharacter{1F3B8}{$\nabla$}