diff --git a/data/templates/Makefile.am b/data/templates/Makefile.am
index 3b83a78..7cd6e97 100644
--- a/data/templates/Makefile.am
+++ b/data/templates/Makefile.am
@@ -3,8 +3,8 @@ templatesdir = $(pkgdatadir)
 TEMPLATES = \
 	debug.html \
 	default.html \
-	stats.txt \
-	prometheus.html
+	stats.html \
+	prometheus.txt
 
 templates_DATA = \
 	$(TEMPLATES)
diff --git a/data/templates/prometheus.html b/data/templates/prometheus.txt
similarity index 100%
rename from data/templates/prometheus.html
rename to data/templates/prometheus.txt
diff --git a/data/templates/stats.txt b/data/templates/stats.html
similarity index 100%
rename from data/templates/stats.txt
rename to data/templates/stats.html