diff --git a/packages/electron-builder/src/builder.ts b/packages/electron-builder/src/builder.ts
index d18a5a28fe..21e71564f0 100644
--- a/packages/electron-builder/src/builder.ts
+++ b/packages/electron-builder/src/builder.ts
@@ -154,6 +154,14 @@ export function normalizeOptions(args: CliOptions): BuildOptions {
     if (config.mac != null) {
       coerceValue(config.mac, "identity")
     }
+
+    // fix Boolean type by coerceTypes
+    if (config.nsis != null) {
+      coerceTypes(config.nsis);
+    }
+    if (config.nsisWeb != null) {
+      coerceTypes(config.nsisWeb);
+    }
   }
 
   if ("project" in r && !("projectDir" in result)) {