diff --git a/config/_default/params.toml b/config/_default/params.toml
index 0d190c6..ce85039 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -9,8 +9,8 @@ mainSections = ["services"]
 
 disableImageOptimization = false
 
-defaultBackgroundImage = "img/single-brick.png"
-defaultFeaturedImage = "img/single-brick.png"
+defaultBackgroundImage = "img/single-brick.jpeg"
+defaultFeaturedImage = "img/single-brick.jpeg"
 
 highlightCurrentMenuArea = true
 smartTOC = true
@@ -28,7 +28,7 @@ showScrollToTop = true
 
 [homepage]
 layout = "background"
-homepageImage = "img/single-brick.png"
+homepageImage = "img/single-brick.jpeg"
 showRecent = true
 showRecentItems = 6
 showMoreLink = false