diff --git a/lib/llvm-backend/cpp/object_loader.cpp b/lib/llvm-backend/cpp/object_loader.cpp
index 3ec3f5d1a..532350578 100644
--- a/lib/llvm-backend/cpp/object_loader.cpp
+++ b/lib/llvm-backend/cpp/object_loader.cpp
@@ -75,16 +75,24 @@ public:
     }
 
     virtual void registerEHFrames(uint8_t* addr, uint64_t LoadAddr, size_t size) override {
-        /* eh_frame_ptr = addr;
+        // We don't know yet how to do this on Windows, so we hide this on compilation
+        // so we can compile and pass spectests on unix systems
+        #ifndef _WIN32
+        eh_frame_ptr = addr;
         eh_frame_size = size;
         eh_frames_registered = true;
-        callbacks.visit_fde(addr, size, __register_frame);*/
+        callbacks.visit_fde(addr, size, __register_frame);
+        #endif
     }
 
     virtual void deregisterEHFrames() override {
-        /* if (eh_frames_registered) {
+        // We don't know yet how to do this on Windows, so we hide this on compilation
+        // so we can compile and pass spectests on unix systems
+        #ifndef _WIN32
+        if (eh_frames_registered) {
             callbacks.visit_fde(eh_frame_ptr, eh_frame_size, __deregister_frame);
-        }*/
+        }
+        #endif
     }
 
     virtual bool finalizeMemory(std::string *ErrMsg = nullptr) override {