diff --git a/handler.go b/handler.go
index 643a812..a942c2a 100644
--- a/handler.go
+++ b/handler.go
@@ -63,7 +63,7 @@ func (g *gzipHandler) Handle(c *gin.Context) {
 func (g *gzipHandler) shouldCompress(req *http.Request) bool {
 	if !strings.Contains(req.Header.Get("Accept-Encoding"), "gzip") ||
 		strings.Contains(req.Header.Get("Connection"), "Upgrade") ||
-		strings.Contains(req.Header.Get("Content-Type"), "text/event-stream") {
+		strings.Contains(req.Header.Get("Accept"), "text/event-stream") {
 
 		return false
 	}