diff --git a/hak/keytar/build.ts b/hak/keytar/build.ts
index 0920b76d..953ec710 100644
--- a/hak/keytar/build.ts
+++ b/hak/keytar/build.ts
@@ -32,7 +32,7 @@ export default async function buildKeytar(hakEnv: HakEnv, moduleInfo: Dependency
                 cwd: moduleInfo.moduleBuildDir,
                 env,
                 stdio: "inherit",
-                shell: true,
+                shell: hakEnv.isWin(),
             },
         );
         proc.on("exit", (code) => {
diff --git a/scripts/hak/fetch.ts b/scripts/hak/fetch.ts
index 84541c82..f7b0579b 100644
--- a/scripts/hak/fetch.ts
+++ b/scripts/hak/fetch.ts
@@ -44,7 +44,7 @@ export default async function fetch(hakEnv: HakEnv, moduleInfo: DependencyInfo):
         const proc = childProcess.spawn(hakEnv.isWin() ? "yarn.cmd" : "yarn", ["install", "--ignore-scripts"], {
             stdio: "inherit",
             cwd: moduleInfo.moduleBuildDir,
-            shell: true,
+            shell: hakEnv.isWin(),
         });
         proc.on("exit", (code) => {
             code ? reject(code) : resolve();
diff --git a/scripts/hak/link.ts b/scripts/hak/link.ts
index abe0b015..77b6e893 100644
--- a/scripts/hak/link.ts
+++ b/scripts/hak/link.ts
@@ -53,7 +53,7 @@ export default async function link(hakEnv: HakEnv, moduleInfo: DependencyInfo):
         const proc = childProcess.spawn(yarnCmd, ["link"], {
             cwd: moduleInfo.moduleOutDir,
             stdio: "inherit",
-            shell: true,
+            shell: hakEnv.isWin(),
         });
         proc.on("exit", (code) => {
             code ? reject(code) : resolve();
@@ -64,7 +64,7 @@ export default async function link(hakEnv: HakEnv, moduleInfo: DependencyInfo):
         const proc = childProcess.spawn(yarnCmd, ["link", moduleInfo.name], {
             cwd: hakEnv.projectRoot,
             stdio: "inherit",
-            shell: true,
+            shell: hakEnv.isWin(),
         });
         proc.on("exit", (code) => {
             code ? reject(code) : resolve();
diff --git a/scripts/set-version.ts b/scripts/set-version.ts
index 8056e676..da8c4e8f 100755
--- a/scripts/set-version.ts
+++ b/scripts/set-version.ts
@@ -33,7 +33,7 @@ export async function setPackageVersion(ver: string): Promise<void> {
                 ver,
             ],
             {
-                shell: true,
+                shell: process.platform === "win32",
             },
             (err) => {
                 if (err) {