diff --git a/Dockerfile b/Dockerfile
index 13e532434f40..62959e7ed3c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,6 +41,6 @@ ENV K6_BROWSER_ENABLED=true
 ENV K6_BROWSER_HEADLESS=true
 # Disable RAM-heavy GPU rasterizer and make chromium use /tmp instead of /dev/shm that is typically
 # too small in Docker
-ENV K6_BROWSER_ARGS="--disable-software-rasterizer --disable-dev-shm-usage"
+ENV K6_BROWSER_ARGS="disable-software-rasterizer,disable-dev-shm-usage"
 
 ENTRYPOINT ["k6"]