diff --git a/beamercolorthememetropolis.sty b/beamercolorthememetropolis.sty
index 9a0fc29..6227190 100644
--- a/beamercolorthememetropolis.sty
+++ b/beamercolorthememetropolis.sty
@@ -59,7 +59,7 @@
 
 \if@beamer@metropolis@blockbg
 
-\setbeamercolor{block title}{parent=palette primary,bg=palette primary.bg!80!fg}
+\setbeamercolor{block title}{use=palette primary,parent=palette primary,bg=palette primary.bg!80!fg}
 \setbeamercolor{block title alerted}{use=alerted text,parent=palette primary,fg=alerted text.fg}
 \setbeamercolor{block title example}{use=example text,parent=palette primary,fg=example text.fg}