diff --git a/runtime/stack_map.cc b/runtime/stack_map.cc
index 3c92b86..690b069 100644
--- a/runtime/stack_map.cc
+++ b/runtime/stack_map.cc
@@ -198,6 +198,7 @@
       << "StackMap" << header_suffix
       << std::hex
       << " [native_pc=0x" << code_offset + pc_offset << "]"
+      << " [entry_size=0x" << encoding.stack_map_size_in_bytes << "]"
       << " (dex_pc=0x" << GetDexPc(stack_map_encoding)
       << ", native_pc_offset=0x" << pc_offset
       << ", dex_register_map_offset=0x" << GetDexRegisterMapOffset(stack_map_encoding)