diff --git a/lbcd.go b/lbcd.go
index 1110eeab..b9606653 100644
--- a/lbcd.go
+++ b/lbcd.go
@@ -281,7 +281,9 @@ func main() {
 	// limits the garbage collector from excessively overallocating during
 	// bursts.  This value was arrived at with the help of profiling live
 	// usage.
-	debug.SetGCPercent(10)
+	if _, ok := os.LookupEnv("GOGC"); !ok {
+		debug.SetGCPercent(10)
+	}
 
 	// Up some limits.
 	if err := limits.SetLimits(); err != nil {