diff --git a/libc/malloc_debug/backtrace.cpp b/libc/malloc_debug/backtrace.cpp
index 88f5a1d..907944f 100644
--- a/libc/malloc_debug/backtrace.cpp
+++ b/libc/malloc_debug/backtrace.cpp
@@ -153,18 +153,27 @@
     if (soname == nullptr) {
       soname = "<unknown>";
     }
+
+    char offset_buf[128];
+    if (entry != nullptr && entry->offset != 0) {
+      snprintf(offset_buf, sizeof(offset_buf), " (offset 0x%" PRIxPTR ")", entry->offset);
+    } else {
+      offset_buf[0] = '\0';
+    }
+
     char buf[1024];
     if (symbol != nullptr) {
       char* demangled_symbol = __cxa_demangle(symbol, nullptr, nullptr, nullptr);
       const char* best_name = (demangled_symbol != nullptr) ? demangled_symbol : symbol;
 
       async_safe_format_buffer(
-          buf, sizeof(buf), "          #%02zd  pc %" PAD_PTR "  %s (%s+%" PRIuPTR ")\n", frame_num,
-          rel_pc, soname, best_name, frames[frame_num] - offset);
+          buf, sizeof(buf), "          #%02zd  pc %" PAD_PTR "  %s%s (%s+%" PRIuPTR ")\n", frame_num,
+          rel_pc, soname, offset_buf, best_name, frames[frame_num] - offset);
       free(demangled_symbol);
     } else {
       async_safe_format_buffer(
-          buf, sizeof(buf), "          #%02zd  pc %" PAD_PTR "  %s\n", frame_num, rel_pc, soname);
+          buf, sizeof(buf), "          #%02zd  pc %" PAD_PTR "  %s%s\n", frame_num, rel_pc, soname,
+          offset_buf);
     }
     str += buf;
   }