diff --git a/include/vmprofiler.hpp b/include/vmprofiler.hpp
index ec41e0f..4337b76 100644
--- a/include/vmprofiler.hpp
+++ b/include/vmprofiler.hpp
@@ -171,7 +171,7 @@ namespace vm
                 &sregq,      &sregdw,      &sregw,      &lregq,    &lregdw, &lconstq, &lconstbzxw, &lconstbsxdw,
                 &lconstbsxq, &lconstdwsxq, &lconstwsxq, &lconstdw, &addq,   &adddw,   &addw,
 
-                &shlq,       &shldw,       &writeq,     &writedw,  &nandq,  &nanddw,
+                &shlq,       &shldw,       &writeq,     &writedw,  &writeb, &nandq, &nanddw,
 
                 &shrq,       &shrw,        &readq,      &readdw,   &mulq,   &pushvsp, &divq,       &jmp,
                 &vmexit,     &call };