diff --git a/Cargo.lock b/Cargo.lock
index d23ccdd22..f5504e8c1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2492,6 +2492,7 @@ dependencies = [
  "wasmer-dev-utils 0.4.2",
  "wasmer-runtime-core 0.4.2",
  "wasmer-singlepass-backend 0.4.2",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
diff --git a/lib/wasi/Cargo.toml b/lib/wasi/Cargo.toml
index 34c65ff4c..e59b45f96 100644
--- a/lib/wasi/Cargo.toml
+++ b/lib/wasi/Cargo.toml
@@ -19,7 +19,7 @@ log = "0.4.6"
 byteorder = "1.3.1"
 # hack to get tests to work
 wasmer-singlepass-backend = { path = "../singlepass-backend", version = "0.4.2", optional = true }
-winapi = { version = "0.3.7", optional = true }
+winapi = "0.3"
 
 [build-dependencies]
 glob = "0.2.11"
diff --git a/lib/wasi/src/lib.rs b/lib/wasi/src/lib.rs
index efbb19457..2ebf294b3 100644
--- a/lib/wasi/src/lib.rs
+++ b/lib/wasi/src/lib.rs
@@ -2,7 +2,7 @@
 
 #[macro_use]
 extern crate log;
-#[cfg(target = windows)]
+#[cfg(target = "windows")]
 extern crate winapi;
 
 #[macro_use]
diff --git a/lib/wasi/src/syscalls/windows.rs b/lib/wasi/src/syscalls/windows.rs
index a6627be94..b715d18c2 100644
--- a/lib/wasi/src/syscalls/windows.rs
+++ b/lib/wasi/src/syscalls/windows.rs
@@ -29,7 +29,7 @@ pub fn platform_clock_time_get(
 ) -> __wasi_errno_t {
     let nanos = match clock_id {
         __WASI_CLOCK_MONOTONIC => {
-            let tick_ms = winapi::um::sysinfoapi::GetTickCount64();
+            let tick_ms = unsafe { winapi::um::sysinfoapi::GetTickCount64() };
             tick_ms * 1_000_000
         }
         __WASI_CLOCK_REALTIME => {