diff --git a/compiler/build.sbt b/compiler/build.sbt
index 7ee24719c..5be63ff8d 100644
--- a/compiler/build.sbt
+++ b/compiler/build.sbt
@@ -131,6 +131,7 @@ lazy val nativeFpp = (project in file("tools/fpp"))
       }
       val config = nativeConfig.value
       config.withMode(mode).withLTO(lto).withGC(GC.none).withLinkStubs(true)
+        .withMultithreading(false)
         .withCompileOptions(config.compileOptions ++ compile)
         .withLinkingOptions(config.linkingOptions ++ macOSUnwindLinkerOptions ++ link)
     }