diff --git a/externals/Makefile b/externals/Makefile
index 71a790fee60bbca23a676f06fbf2c082914deeef..e6c0adc1ce6f2743f3a96ae673af94fbc5979271 100644
--- a/externals/Makefile
+++ b/externals/Makefile
@@ -612,7 +612,8 @@ fluid_install:
 	make -C $(externals_src)/fluid~ DESTDIR="$(DESTDIR)" \
 		objectsdir="$(objectsdir)" install
 
-fluid_clean: make -C $(externals_src)/fluid~ clean
+fluid_clean:
+	make -C $(externals_src)/fluid~ clean
 
 #------------------------------------------------------------------------------#
 # FRANKENSTEIN