diff --git a/tools/hdb/hdb.cpp b/tools/hdb/hdb.cpp
index 963adf221f5..5ed46b198db 100644
--- a/tools/hdb/hdb.cpp
+++ b/tools/hdb/hdb.cpp
@@ -785,6 +785,7 @@ int main(int argc, char **argv) {
       std::istreambuf_iterator<char>());
 
   hermes::vm::RuntimeConfig::Builder optsBuilder;
+  optsBuilder.withCompilationMode(options.compilationMode);
   if (options.enableBlockScoping) {
     optsBuilder.withEnableBlockScoping(*options.enableBlockScoping);
   }