diff --git a/src/renderer/utils/FreeDiskSpace.ts b/src/renderer/utils/FreeDiskSpace.ts
index 3a167726..8777b075 100644
--- a/src/renderer/utils/FreeDiskSpace.ts
+++ b/src/renderer/utils/FreeDiskSpace.ts
@@ -18,6 +18,14 @@ export interface FreeDiskSpaceInfo {
 export class FreeDiskSpace {
 
     static async analyse(requiredSpace: number): Promise<FreeDiskSpaceInfo> {
+        if (!Number.isFinite(requiredSpace)) {
+            return {
+                freeSpaceInTemp: -1,
+                freeSpaceInDest: -1,
+                status: FreeDiskSpaceStatus.NotLimited,
+            };
+        }
+
         let resolvedDestDir = Directories.installLocation();
         let resolvedTempDir = Directories.tempLocation();