1 files changed, 4 insertions, 1 deletions

diff --git a/plugins/utils.c b/plugins/utils.c
index aad30068..5dbdb4de 100644
--- a/plugins/utils.c
+++ b/plugins/utils.c
@@ -521,7 +521,10 @@ char *perfdata (const char *label,
 {
         char *data = NULL;
 
-        asprintf (&data, "\"%s\"=%ld%s;", label, val, uom);
+        if (index (label, '"'))
+                asprintf (&data, "\"%s\"=%ld%s;", label, val, uom);
+        else
+                asprintf (&data, "%s=%ld%s;", label, val, uom);
 
         if (warnp)
                 asprintf (&data, "%s%ld;", data, warn);