diff --git a/pkg/rbd/rbd_util.go b/pkg/rbd/rbd_util.go
index 83b5c13f2..aeaa62435 100644
--- a/pkg/rbd/rbd_util.go
+++ b/pkg/rbd/rbd_util.go
@@ -620,7 +620,7 @@ func getImageInfo(monitors string, cr *util.Credentials, poolName, imageName str
 
 	var imgInfo imageInfo
 
-	stdout, _, err := util.ExecCommand(
+	stdout, stderr, err := util.ExecCommand(
 		"rbd",
 		"-m", monitors,
 		"--id", cr.ID,
@@ -630,7 +630,7 @@ func getImageInfo(monitors string, cr *util.Credentials, poolName, imageName str
 		"info", poolName+"/"+imageName)
 	if err != nil {
 		klog.Errorf("failed getting information for image (%s): (%s)", poolName+"/"+imageName, err)
-		if strings.Contains(string(stdout), "rbd: error opening image "+imageName+
+		if strings.Contains(string(stderr), "rbd: error opening image "+imageName+
 			": (2) No such file or directory") {
 			return imgInfo, ErrImageNotFound{imageName, err}
 		}
@@ -669,7 +669,7 @@ func getSnapInfo(monitors string, cr *util.Credentials, poolName, imageName, sna
 		snaps   []snapInfo
 	)
 
-	stdout, _, err := util.ExecCommand(
+	stdout, stderr, err := util.ExecCommand(
 		"rbd",
 		"-m", monitors,
 		"--id", cr.ID,
@@ -680,7 +680,7 @@ func getSnapInfo(monitors string, cr *util.Credentials, poolName, imageName, sna
 	if err != nil {
 		klog.Errorf("failed getting snap (%s) information from image (%s): (%s)",
 			snapName, poolName+"/"+imageName, err)
-		if strings.Contains(string(stdout), "rbd: error opening image "+imageName+
+		if strings.Contains(string(stderr), "rbd: error opening image "+imageName+
 			": (2) No such file or directory") {
 			return snpInfo, ErrImageNotFound{imageName, err}
 		}
diff --git a/pkg/util/cephcmds.go b/pkg/util/cephcmds.go
index eb61f6f44..452fd7ac5 100644
--- a/pkg/util/cephcmds.go
+++ b/pkg/util/cephcmds.go
@@ -237,10 +237,10 @@ func CreateObject(monitors string, cr *Credentials, poolName, namespace, objectN
 		args = append(args, "--namespace="+namespace)
 	}
 
-	stdout, _, err := ExecCommand("rados", args[:]...)
+	_, stderr, err := ExecCommand("rados", args[:]...)
 	if err != nil {
 		klog.Errorf("failed creating omap (%s) in pool (%s): (%v)", objectName, poolName, err)
-		if strings.Contains(string(stdout), "error creating "+poolName+"/"+objectName+
+		if strings.Contains(string(stderr), "error creating "+poolName+"/"+objectName+
 			": (17) File exists") {
 			return ErrObjectExists{objectName, err}
 		}
@@ -267,10 +267,10 @@ func RemoveObject(monitors string, cr *Credentials, poolName, namespace, oMapNam
 		args = append(args, "--namespace="+namespace)
 	}
 
-	stdout, _, err := ExecCommand("rados", args[:]...)
+	_, stderr, err := ExecCommand("rados", args[:]...)
 	if err != nil {
 		klog.Errorf("failed removing omap (%s) in pool (%s): (%v)", oMapName, poolName, err)
-		if strings.Contains(string(stdout), "error removing "+poolName+">"+oMapName+
+		if strings.Contains(string(stderr), "error removing "+poolName+">"+oMapName+
 			": (2) No such file or directory") {
 			return ErrObjectNotFound{oMapName, err}
 		}