diff --git a/src/apis/emscripten/syscalls.rs b/src/apis/emscripten/syscalls.rs
index 13a71cbcd..16ba60d8d 100644
--- a/src/apis/emscripten/syscalls.rs
+++ b/src/apis/emscripten/syscalls.rs
@@ -486,11 +486,55 @@ pub extern "C" fn ___syscall146(
 ) -> ssize_t {
     debug!("emscripten::___syscall146 (writev)");
     let fd: i32 = varargs.get(instance);
-    let iov: u32 = varargs.get(instance);
+    let iov: i32 = varargs.get(instance);
     let iovcnt: i32 = varargs.get(instance);
+
+    #[repr(C)]
+    struct GuestIovec {
+        iov_base: i32,
+        iov_len: i32,
+    }
+
     debug!("=> fd: {}, iov: {}, iovcnt = {}", fd, iov, iovcnt);
-    let iov_addr = instance.memory_offset_addr(0, iov as usize) as *mut iovec;
-    unsafe { writev(fd, iov_addr, iovcnt) }
+    // let iov_addr = instance.memory_offset_addr(0, iov as usize) as *mut iovec;
+    let guest_iov_addr = instance.memory_offset_addr(0, iov as usize) as *mut GuestIovec;
+    // let mut ret: ssize_t = 0;
+    unsafe {
+        // let ioc_base =
+        let iov_addr = iovec {
+            iov_base: (*guest_iov_addr).iov_base as _,
+            iov_len: (*guest_iov_addr).iov_len as _,
+        };
+        // let base = (*guest_iov_addr).iov_base;
+        // for i in 0..iovcnt {
+        //     // debug!("HEY");
+        //     // let ptr_addr = (base + i*8) as usize as *const c_void;
+        //     // let len = (base + i*8 + 4) as usize as *const usize;
+        //     let ptr_addr = instance.memory_offset_addr(0, (base + i*8) as usize) as *const c_void;
+        //     let len = instance.memory_offset_addr(0, (base + i*8 +4) as usize) as usize;
+
+        //     debug!("=> iov_addr: {:?}, {:?}", ptr_addr, len);
+        //     // unsafe {
+        //     let curr = write(fd, ptr_addr, len);
+        //     if curr < 0 {
+        //         return -1;
+        //     }
+        //     ret = ret + curr;
+        //     // }
+        // }
+        // ret
+        // for (var i = 0; i < iovcnt; i++) {
+        //   var ptr = HEAP32[(((iov)+(i*8))>>2)];
+        //   var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
+
+        // let buf_addr = instance.memory_offset_addr(0, iov_addr.iov_base as usize) as *const c_void;
+
+        // write(fd, buf_addr, count as usize) as i32
+
+        // debug!("=> iov_addr: {:?}, {:?}", iov_addr.iov_base, iov_addr.iov_len);
+
+        writev(fd, &iov_addr, iovcnt)
+    }
 }
 
 // pread