diff --git a/package.json b/package.json
index 397a738..ebf3076 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "declare": "tsc --declaration --emitDeclarationOnly --outDir \"./types\"",
     "build:win": "powershell -NoProfile -ExecutionPolicy Bypass -File ./src/build.ps1",
     "build:win:legacy": "call src\\build.cmd",
-    "build:linux": "sh src/build.sh"
+    "build:linux": "sh ./src/build.sh"
   },
   "keywords": [
     "regedit",
diff --git a/src/build.sh b/src/build.sh
index 00b4b2b..ed6510b 100644
--- a/src/build.sh
+++ b/src/build.sh
@@ -1,22 +1,23 @@
 #!/bin/sh
 
-CWD = "$(dirname "${BASH_SOURCE[0]}")"
+CWD="$( dirname "${BASH_SOURCE[0]}" )"
 
-cd CWD
-export GOOS=windows
-export CGO_ENABLED=1
+cd $CWD
+export GOOS="windows"
+export CGO_ENABLED="1"
 
 echo "Compiling x64..."
-export GOARCH=amd64
-export CC=zig cc -target x86_64-windows-gnu
-go build -buildmode=c-shared -o "$CWD/../dist/regodit.x64.dll" regodit
+export GOARCH="amd64"
+export CC="zig cc -target x86_64-windows-gnu"
+go build -buildmode=c-shared -o "../dist/regodit.x64.dll" regodit
 
 echo "Compiling x86..."
-export GOARCH=386
-export CC=zig cc -target x86-windows-gnu
-go build -buildmode=c-shared -o "$CWD/../dist/regodit.x86.dll" regodit
+export GOARCH="386"
+export CC="zig cc -target i386-windows-gnu"
+
+go build -buildmode=c-shared -o "../dist/regodit.x86.dll" regodit
 
 echo "Compiling arm64..."
-export GOARCH=arm64
-export CC=zig cc -target aarch64-windows-gnu
-go build -buildmode=c-shared -o "$CWD/../dist/regodit.arm64.dll" regodit
\ No newline at end of file
+export GOARCH="arm64"
+export CC="zig cc -target aarch64-windows-gnu"
+go build -buildmode=c-shared -o "../dist/regodit.arm64.dll" regodit
diff --git a/test/io.js b/test/io.js
index 59fb4cf..0f96a8d 100644
--- a/test/io.js
+++ b/test/io.js
@@ -4,7 +4,7 @@ import { isWindows } from "@xan105/is";
 import * as reg from "../lib/index.js";
 
 test("Read/write REG_SZ", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/string"];
@@ -41,7 +41,7 @@ test("Read/write REG_SZ", {
 });
 
 test("Read/write REG_MULTI_SZ", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/string"];
@@ -78,7 +78,7 @@ test("Read/write REG_MULTI_SZ", {
 });
 
 test("Read/write REG_EXPAND_SZ", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/string"];
@@ -115,7 +115,7 @@ test("Read/write REG_EXPAND_SZ", {
 });
 
 test("Read/write REG_BINARY", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/binary"];
@@ -147,7 +147,7 @@ test("Read/write REG_BINARY", {
 });
 
 test("Read/write REG_DWORD & REG_QWORD", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/number"];
@@ -245,4 +245,4 @@ test("Read/write REG_DWORD & REG_QWORD", {
     assert.ok(!(await reg.promises.regKeyExists(...key)));
   });
   
-});
\ No newline at end of file
+});
diff --git a/test/misc.js b/test/misc.js
index 0048aa9..15b4d9d 100644
--- a/test/misc.js
+++ b/test/misc.js
@@ -4,9 +4,7 @@ import { userInfo } from "node:os";
 import { isWindows } from "@xan105/is";
 import * as reg from "../lib/index.js";
 
-test("Promises/Sync method count", {
-  skip: isWindows ? false : "This test runs on Windows"
-}, () => {
+test("Promises/Sync method count", () => {
 
   const promises = Object.keys(reg.promises).length;
   const sync = Object.keys(reg).length - 1;
@@ -14,8 +12,19 @@ test("Promises/Sync method count", {
   
 });
 
+test("Linux fail at runtime", {
+  skip: !isWindows() ? false : "This test runs on Linux"
+}, () => {
+  try{
+    reg.regKeyExists("HKCU", "Software");
+  }catch(err){
+    assert.ok(err.code === "ERR_FFI");
+    assert.ok(err.message.includes("cannot open shared object file"));
+  }
+});
+
 test("Creating and deleting a key", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/create"]
@@ -39,7 +48,7 @@ test("Creating and deleting a key", {
 });
 
 test("Read string expand env var", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
 
   const key = ["HKCU", "Software/Microsoft/Windows/CurrentVersion/Explorer/User Shell Folders", "AppData"];
@@ -58,7 +67,7 @@ test("Read string expand env var", {
 });
 
 test("List subkeys / values", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   const key = ["HKCU", "Software/regodit/listing"];
@@ -97,7 +106,7 @@ test("List subkeys / values", {
 
 
 test("Import/Export", {
-  skip: isWindows ? false : "This test runs on Windows"
+  skip: isWindows() ? false : "This test runs on Windows"
 }, async () => {
   
   await test("sync", () => {
@@ -128,4 +137,4 @@ test("Import/Export", {
     assert.ok(!(await reg.promises.regKeyExists("HKCU", "Software_Backup")));
   });
   
-});
\ No newline at end of file
+});