diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 0f197a69d2..63cc8be2c3 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -31,6 +31,8 @@ The following `tip` changes can be tested by building VictoriaMetrics components
 * FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): make the warning message more noticeable for text fields. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4848).
 * FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): add button for auto-formatting PromQL/MetricsQL queries. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4681). Thanks to @aramattamara for the [pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/4694).
 
+* BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): consistently set UserAgent header to `vm_promscrape` during scraping with enabled or disabled `promscrape.streamParse`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4884) for details.
+
 ## [v1.93.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.93.1)
 
 Released at 2023-08-23
diff --git a/lib/promscrape/client.go b/lib/promscrape/client.go
index 06da770767..3cec692dca 100644
--- a/lib/promscrape/client.go
+++ b/lib/promscrape/client.go
@@ -79,6 +79,8 @@ func concatTwoStrings(x, y string) string {
 	return s
 }
 
+const scrapeUserAgent = "vm_promscrape"
+
 func newClient(ctx context.Context, sw *ScrapeWork) *client {
 	var u fasthttp.URI
 	u.Update(sw.ScrapeURL)
@@ -120,8 +122,9 @@ func newClient(ctx context.Context, sw *ScrapeWork) *client {
 		logger.Fatalf("cannot create dial func: %s", err)
 	}
 	hc := &fasthttp.HostClient{
-		Addr:                         dialAddr,
-		Name:                         "vm_promscrape",
+		Addr: dialAddr,
+		// Name used in User-Agent request header
+		Name:                         scrapeUserAgent,
 		Dial:                         dialFunc,
 		IsTLS:                        isTLS,
 		TLSConfig:                    tlsCfg,
@@ -201,8 +204,7 @@ func (c *client) GetStreamReader() (*streamReader, error) {
 	// Set X-Prometheus-Scrape-Timeout-Seconds like Prometheus does, since it is used by some exporters such as PushProx.
 	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1179#issuecomment-813117162
 	req.Header.Set("X-Prometheus-Scrape-Timeout-Seconds", c.scrapeTimeoutSecondsStr)
-	// Set same useragent as fasthttp.HostClient at c.hc uses for scraping
-	req.Header.Set("User-Agent", "vm_promscrape")
+	req.Header.Set("User-Agent", scrapeUserAgent)
 	c.setHeaders(req)
 	c.setProxyHeaders(req)
 	scrapeRequests.Inc()