diff --git a/runtime/elf_file.cc b/runtime/elf_file.cc
index 566ce03..529cd53 100644
--- a/runtime/elf_file.cc
+++ b/runtime/elf_file.cc
@@ -584,6 +584,10 @@
 }
 
 const Elf32_Sym* ElfFile::FindDynamicSymbol(const std::string& symbol_name) const {
+  if (GetHashBucketNum() == 0) {
+    // No dynamic symbols at all.
+    return nullptr;
+  }
   Elf32_Word hash = elfhash(symbol_name.c_str());
   Elf32_Word bucket_index = hash % GetHashBucketNum();
   Elf32_Word symbol_and_chain_index = GetHashBucket(bucket_index);