diff --git a/src/Makefile b/src/Makefile
index 948ea958e6b9d0a00c2edc24c055813cbea21c27..ac867ef74084ce78f2e17cff9b63ca1b60585e48 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,4 +1,4 @@
-SUBDIRS := $(wildcard */.)
+SUBDIRS := cluster sphere trapping
 BUILDDIR=../build
 
 all: $(SUBDIRS)