diff --git a/packages/ide/test/fs.test.ts b/packages/ide/test/fs.test.ts
index e49afab6..a4eb1bdf 100644
--- a/packages/ide/test/fs.test.ts
+++ b/packages/ide/test/fs.test.ts
@@ -25,7 +25,7 @@ describe("fs", () => {
 		try {
 			await util.promisify(nativeFs.mkdir)(path.dirname(coderDir));
 		} catch (error) {
-			if (error.code !== "EEXIST") {
+			if (error.code !== "EEXIST" && error.code !== "EISDIR") {
 				throw error;
 			}
 		}
diff --git a/packages/ide/test/net.test.ts b/packages/ide/test/net.test.ts
index 964b4ffe..9922a10c 100644
--- a/packages/ide/test/net.test.ts
+++ b/packages/ide/test/net.test.ts
@@ -19,7 +19,7 @@ describe("net", () => {
 		try {
 			await util.promisify(fs.mkdir)(path.dirname(coderDir));
 		} catch (error) {
-			if (error.code !== "EEXIST") {
+			if (error.code !== "EEXIST" && error.code !== "EISDIR") {
 				throw error;
 			}
 		}
diff --git a/packages/protocol/src/node/server.ts b/packages/protocol/src/node/server.ts
index 8464a6ac..812ebf0c 100644
--- a/packages/protocol/src/node/server.ts
+++ b/packages/protocol/src/node/server.ts
@@ -51,7 +51,7 @@ export class Server {
 				try {
 					await promisify(mkdir)(dir);
 				} catch (error) {
-					if (error.code !== "EEXIST") {
+					if (error.code !== "EEXIST" && error.code !== "EISDIR") {
 						throw error;
 					}
 				}
diff --git a/packages/server/src/modules.ts b/packages/server/src/modules.ts
index 6d1bc273..879d779d 100644
--- a/packages/server/src/modules.ts
+++ b/packages/server/src/modules.ts
@@ -13,7 +13,7 @@ export const setup = (dataDirectory: string): void => {
 		try {
 			fs.mkdirSync(currentDir);
 		} catch (ex) {
-			if (ex.code !== "EEXIST") {
+			if (ex.code !== "EEXIST" && ex.code !== "EISDIR") {
 				throw ex;
 			}
 		}
diff --git a/packages/server/src/vscode/sharedProcess.ts b/packages/server/src/vscode/sharedProcess.ts
index 94823061..3b9f3f58 100644
--- a/packages/server/src/vscode/sharedProcess.ts
+++ b/packages/server/src/vscode/sharedProcess.ts
@@ -54,7 +54,7 @@ export class SharedProcess {
 			try {
 				fs.mkdirSync(dir);
 			} catch (ex) {
-				if (ex.code !== "EEXIST") {
+				if (ex.code !== "EEXIST" && ex.code !== "EISDIR") {
 					throw ex;
 				}
 			}