diff --git a/sw/ext/Makefile b/sw/ext/Makefile
index d39b63defa..b10e07590e 100644
--- a/sw/ext/Makefile
+++ b/sw/ext/Makefile
@@ -48,7 +48,7 @@ endif
 all: update_submodules libopencm3.module luftboot.module
 
 update_submodules:
-	cd $(PAPARAZZI_SRC) && git submodule update --init
+	cd $(PAPARAZZI_SRC) && git submodule update --quiet --init
 
 libopencm3.module:
 	make -C libopencm3 lib PREFIX=$(PREFIX)