diff --git a/src/heap/gc-tracer.cc b/src/heap/gc-tracer.cc
index 108ad90beb..7bfe0adfa0 100644
--- a/src/heap/gc-tracer.cc
+++ b/src/heap/gc-tracer.cc
@@ -462,8 +462,8 @@ void GCTracer::PrintNVP() const {
           "scavenge=%.2f "
           "scavenge.roots=%.2f "
           "scavenge.weak=%.2f "
-          "scavenge.weak_global_handles.identify=%.2f"
-          "scavenge.weak_global_handles.process=%.2f"
+          "scavenge.weak_global_handles.identify=%.2f "
+          "scavenge.weak_global_handles.process=%.2f "
           "scavenge.parallel=%.2f "
           "incremental.steps_count=%d "
           "incremental.steps_took=%.1f "