diff --git a/Userland/Libraries/LibWeb/CSS/Resolution.cpp b/Userland/Libraries/LibWeb/CSS/Resolution.cpp
index c7a0cad344..2e0a3568e8 100644
--- a/Userland/Libraries/LibWeb/CSS/Resolution.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Resolution.cpp
@@ -22,7 +22,7 @@ Resolution::Resolution(float value, Type type)
 
 ErrorOr<String> Resolution::to_string() const
 {
-    return String::formatted("{}{}", m_value, unit_name());
+    return String::formatted("{}dppx", to_dots_per_pixel());
 }
 
 float Resolution::to_dots_per_pixel() const