diff --git a/test/conformance/image/go-runner/cmd.go b/test/conformance/image/go-runner/cmd.go
index 6339ad32949..c1a0eadb43e 100644
--- a/test/conformance/image/go-runner/cmd.go
+++ b/test/conformance/image/go-runner/cmd.go
@@ -70,7 +70,7 @@ func getCmd(env Getenver, w io.Writer) *exec.Cmd {
 	}
 
 	if len(env.Getenv(dryRunEnvKey)) > 0 {
-		ginkgoArgs = append(ginkgoArgs, "--dryRun=true")
+		ginkgoArgs = append(ginkgoArgs, "--dry-run=true")
 	}
 	// NOTE: Ginkgo's default timeout has been reduced from 24h to 1h in V2, set it as "24h" for backward compatibility
 	// if this is not set by env of extraGinkgoArgsEnvKey.
diff --git a/test/conformance/image/run_e2e.sh b/test/conformance/image/run_e2e.sh
index 0496b19fec8..fe9747a93b2 100755
--- a/test/conformance/image/run_e2e.sh
+++ b/test/conformance/image/run_e2e.sh
@@ -49,7 +49,7 @@ trap shutdown TERM
 
 ginkgo_args=()
 if [[ -n ${E2E_DRYRUN:-} ]]; then
-    ginkgo_args+=("--dryRun=true")
+    ginkgo_args+=("--dry-run=true")
 fi
 
 # NOTE: Ginkgo's default timeout has been reduced from 24h to 1h in V2, set it manually here as "24h"