diff --git a/tests/ClampRangeTest.cpp b/tests/ClampRangeTest.cpp
index dc52071..2462725 100644
--- a/tests/ClampRangeTest.cpp
+++ b/tests/ClampRangeTest.cpp
@@ -65,7 +65,7 @@
         }
         if (range.fCount1 > 0 && fx != range.fFx1) {
             SkDebugf("%x %x\n", fx, range.fFx1);
-            R_ASSERT(!"bad fFx1");
+            R_ASSERT(false); // bad fFx1
             return;
         }
         for (i = 0; i < range.fCount1; i++) {