diff --git a/app/vmselect/promql/rollup.go b/app/vmselect/promql/rollup.go
index 7370a9c11f..b73b450de4 100644
--- a/app/vmselect/promql/rollup.go
+++ b/app/vmselect/promql/rollup.go
@@ -20,6 +20,7 @@ var rollupFuncs = map[string]newRollupFunc{
 	"changes":            newRollupFuncOneArg(rollupChanges),
 	"delta":              newRollupFuncOneArg(rollupDelta),
 	"deriv":              newRollupFuncOneArg(rollupDerivSlow),
+	"deriv_fast":         newRollupFuncOneArg(rollupDerivFast),
 	"holt_winters":       newRollupHoltWinters,
 	"idelta":             newRollupFuncOneArg(rollupIdelta),
 	"increase":           newRollupFuncOneArg(rollupDelta),  // + rollupFuncsRemoveCounterResets
diff --git a/app/vmselect/promql/rollup_test.go b/app/vmselect/promql/rollup_test.go
index 6ddea58ed4..519283227d 100644
--- a/app/vmselect/promql/rollup_test.go
+++ b/app/vmselect/promql/rollup_test.go
@@ -193,6 +193,7 @@ func TestRollupNewRollupFuncSuccess(t *testing.T) {
 	f("changes", 10)
 	f("delta", -89)
 	f("deriv", -266.85860231406065)
+	f("deriv_fast", -712)
 	f("idelta", 0)
 	f("increase", 275)
 	f("irate", 0)