diff --git a/bench/BlurRoundRectBench.cpp b/bench/BlurRoundRectBench.cpp
index ef88422..713996c 100644
--- a/bench/BlurRoundRectBench.cpp
+++ b/bench/BlurRoundRectBench.cpp
@@ -25,7 +25,7 @@
 public:
     BlurRoundRectBench(int width, int height, int cornerRadius)
         : fName("blurroundrect") {
-        fName.appendf("_WH[%ix%i]_cr[%i]", width, height, cornerRadius);
+        fName.appendf("_WH_%ix%i_cr_%i", width, height, cornerRadius);
         SkRect r = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
         fRRect.setRectXY(r, SkIntToScalar(cornerRadius), SkIntToScalar(cornerRadius));
     }
diff --git a/bench/PatchBench.cpp b/bench/PatchBench.cpp
index 80d5ce0..f029584 100644
--- a/bench/PatchBench.cpp
+++ b/bench/PatchBench.cpp
@@ -101,7 +101,7 @@
         }
         SkString type;
         this->appendName(&type);
-        fName.printf("patch_%s_%s_[%f,%f]", type.c_str(), vertexMode.c_str(),
+        fName.printf("patch_%s_%s_%fx%f", type.c_str(), vertexMode.c_str(),
                     fScale.x(), fScale.y());
         return fName.c_str();
     }