diff --git a/etc/makefiles/sketch.mk b/etc/makefiles/sketch.mk
index 8e5378855..1cd53a533 100644
--- a/etc/makefiles/sketch.mk
+++ b/etc/makefiles/sketch.mk
@@ -180,7 +180,7 @@ compile: kaleidoscope-hardware-configured check-rosetta
 	  --library "${KALEIDOSCOPE_DIR}" \
 	  --libraries "${KALEIDOSCOPE_DIR}/plugins/" \
 	  --build-path "${BUILD_PATH}" \
-	  --output-dir "${OUTPUT_PATH}" \
+	  --output-dir "${OUTPUT_PATH}" -j 0 \
 	  "${SKETCH_FILE_PATH}"
 ifeq ($(LIBONLY),)
 	$(QUIET) cp "${BUILD_PATH}/${SKETCH_FILE_NAME}.hex" "${HEX_FILE_PATH}"