diff --git a/r2/r2/lib/cssfilter.py b/r2/r2/lib/cssfilter.py
index 8bd172967..fb4382b01 100644
--- a/r2/r2/lib/cssfilter.py
+++ b/r2/r2/lib/cssfilter.py
@@ -295,6 +295,7 @@ SAFE_FUNCTIONS = {
     "scalez",
     "skewx",
     "skewy",
+    "steps",
     "translate",
     "translate3d",
     "translatex",