diff --git a/talk.tex b/talk.tex
index c27c1b3..b482558 100644
--- a/talk.tex
+++ b/talk.tex
@@ -54,7 +54,7 @@
 	\frametitle{Relevance for further improvement and physics}
 	\begin{itemize}
 		\item exp. Wilson-clover fermion framework
-		\item massive $\Hat{=}$ at $N_{\rm f}=3$ symmetric point
+		\item massive $\widehat{=}$ at $N_{\rm f}=3$ symmetric point
 		\vspace{.5cm}
 		\item needed for improv. quark current mass
 		\item decay constants \& matrix elements