diff --git a/app/vmui/packages/vmui/src/api/query-range.ts b/app/vmui/packages/vmui/src/api/query-range.ts
index c89e43d01..850760fe8 100644
--- a/app/vmui/packages/vmui/src/api/query-range.ts
+++ b/app/vmui/packages/vmui/src/api/query-range.ts
@@ -4,6 +4,6 @@ export const getQueryRangeUrl = (server: string, query: string, period: TimePara
   `${server}/api/v1/query_range?query=${encodeURIComponent(query)}&start=${period.start}&end=${period.end}&step=${period.step}${nocache ? "&nocache=1" : ""}${queryTracing ? "&trace=1" : ""}`;
 
 export const getQueryUrl = (server: string, query: string, period: TimeParams, queryTracing: boolean): string =>
-  `${server}/api/v1/query?query=${encodeURIComponent(query)}&time=${period.end}&step=${period.step}${queryTracing ? "&trace=1" : ""}`;
+  `${server}/api/v1/query?query=${encodeURIComponent(query)}&time=${period.end}${queryTracing ? "&trace=1" : ""}`;
 
 export const getQueryOptions = (server: string) => `${server}/api/v1/label/__name__/values`;
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index ef949568b..b0662b317 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -33,6 +33,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
 * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): stop showing `Please enter a valid Query and execute it` error message on the first load of vmui.
 * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): properly process `Run in VMUI` button click in [VictoriaMetrics datasource plugin for Grafana](https://github.com/VictoriaMetrics/grafana-datasource).
 * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix the display of the selected value for dropdowns on `Explore` page.
+* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): do not send `step` param for instant queries. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3896).
 * BUGFIX: [vmauth](https://docs.victoriametrics.com/vmauth.html): fix `cannot serve http` panic when plain HTTP request is sent to `vmauth` configured to accept requests over [proxy protocol](https://www.haproxy.org/download/2.3/doc/proxy-protocol.txt)-encoded request (e.g. when `vmauth` runs with `-httpListenAddr.useProxyProtocol` command-line flag). The issue has been introduced at [v1.87.0](https://docs.victoriametrics.com/CHANGELOG.html#v1870) when implementing [this feature](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3335).
 * BUGFIX: [vmgateway](https://docs.victoriametrics.com/vmgateway.html): properly parse RSA public key discovered via JWK endpoint.