diff --git a/lib/Interpreter/CppInterOpInterpreter.h b/lib/Interpreter/CppInterOpInterpreter.h
index 06da263bd..e83069519 100644
--- a/lib/Interpreter/CppInterOpInterpreter.h
+++ b/lib/Interpreter/CppInterOpInterpreter.h
@@ -412,6 +412,18 @@ class Interpreter {
   }
 
   CompilationResult loadLibrary(const std::string& filename, bool lookup) {
+#ifdef __EMSCRIPTEN__
+    if (lookup) {
+      llvm::errs() << "[cppinterop] Warning: 'lookup' has no effect on WASM.\n";
+    }
+    // In WASM: directly use Interpreter's LoadDynamicLibrary
+    if (auto Err = inner->LoadDynamicLibrary(filename.c_str())) {
+      llvm::logAllUnhandledErrors(std::move(Err), llvm::errs(),
+                                  "loadLibrary: ");
+      return kFailure;
+    }
+    return kSuccess;
+#endif
     DynamicLibraryManager* DLM = getDynamicLibraryManager();
     std::string canonicalLib;
     if (lookup)
diff --git a/unittests/CppInterOp/CMakeLists.txt b/unittests/CppInterOp/CMakeLists.txt
index 4cd66e5f2..3aabb05a9 100644
--- a/unittests/CppInterOp/CMakeLists.txt
+++ b/unittests/CppInterOp/CMakeLists.txt
@@ -97,6 +97,7 @@ if(EMSCRIPTEN)
     PUBLIC "SHELL: -s STACK_SIZE=32mb"
     PUBLIC "SHELL: -s INITIAL_MEMORY=128mb"
     PUBLIC "SHELL: --preload-file ${SYSROOT_PATH}/include@/include"
+    PUBLIC "SHELL: --preload-file ${CMAKE_CURRENT_BINARY_DIR}/TestSharedLib/unittests/bin/Release/libTestSharedLib.so@/libTestSharedLib.so"
   )
 endif()
 
diff --git a/unittests/CppInterOp/DynamicLibraryManagerTest.cpp b/unittests/CppInterOp/DynamicLibraryManagerTest.cpp
index c881d9fdd..5f6499fd9 100644
--- a/unittests/CppInterOp/DynamicLibraryManagerTest.cpp
+++ b/unittests/CppInterOp/DynamicLibraryManagerTest.cpp
@@ -1,5 +1,6 @@
 #include "gtest/gtest.h"
 
+#include "clang/Basic/Version.h"
 #include "clang/Interpreter/CppInterOp.h"
 
 #include "llvm/Support/FileSystem.h"
@@ -57,3 +58,29 @@ TEST(DynamicLibraryManagerTest, Sanity) {
   // invalidated...
   // EXPECT_FALSE(Cpp::GetFunctionAddress("ret_zero"));
 }
+
+TEST(DynamicLibraryManagerTest, BasicSymbolLookup) {
+#ifndef EMSCRIPTEN
+  GTEST_SKIP() << "This test is only intended for Emscripten builds.";
+#else
+  #if CLANG_VERSION_MAJOR < 20
+    GTEST_SKIP() << "Support for loading shared libraries was added in LLVM 20.";
+  #endif
+#endif
+
+  ASSERT_TRUE(Cpp::CreateInterpreter());
+  EXPECT_FALSE(Cpp::GetFunctionAddress("ret_zero"));
+
+  // Load the library manually. Use known preload path (MEMFS path)
+  const char* wasmLibPath = "libTestSharedLib.so";  // Preloaded path in MEMFS
+  EXPECT_TRUE(Cpp::LoadLibrary(wasmLibPath, false));
+
+  Cpp::Process("");
+
+  void* Addr = Cpp::GetFunctionAddress("ret_zero");
+  EXPECT_NE(Addr, nullptr) << "Symbol 'ret_zero' not found after dlopen.";
+
+  using RetZeroFn = int (*)();
+  auto Fn = reinterpret_cast<RetZeroFn>(Addr);
+  EXPECT_EQ(Fn(), 0);
+}