diff --git a/test/cctest/test-profile-generator.cc b/test/cctest/test-profile-generator.cc
index f849d40..c60d072 100644
--- a/test/cctest/test-profile-generator.cc
+++ b/test/cctest/test-profile-generator.cc
@@ -600,13 +600,13 @@
   //      -> ccc -> aaa  - sample3
   TickSample sample1;
   sample1.pc = ToAddress(0x1600);
-  sample1.function = ToAddress(0x1500);
+  sample1.tos = ToAddress(0x1500);
   sample1.stack[0] = ToAddress(0x1510);
   sample1.frames_count = 1;
   generator.RecordTickSample(sample1);
   TickSample sample2;
   sample2.pc = ToAddress(0x1925);
-  sample2.function = ToAddress(0x1900);
+  sample2.tos = ToAddress(0x1900);
   sample2.stack[0] = ToAddress(0x1780);
   sample2.stack[1] = ToAddress(0x10000);  // non-existent.
   sample2.stack[2] = ToAddress(0x1620);
@@ -614,7 +614,7 @@
   generator.RecordTickSample(sample2);
   TickSample sample3;
   sample3.pc = ToAddress(0x1510);
-  sample3.function = ToAddress(0x1500);
+  sample3.tos = ToAddress(0x1500);
   sample3.stack[0] = ToAddress(0x1910);
   sample3.stack[1] = ToAddress(0x1610);
   sample3.frames_count = 2;