diff --git a/utils/Makefile.am b/utils/Makefile.am
index 1a3a58b476..de8861e057 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -10,10 +10,10 @@ ann_sim \
 ann_tr \
 c81merge \
 c81test \
-cl \
+mbdyn_cl \
 crypt \
 dae-intg \
-deriv \
+mbdyn_deriv \
 eu2rot \
 eu2phi
 
@@ -162,9 +162,9 @@ autopilot_SOURCES = autopilot.c
 c81merge_SOURCES = c81merge.cc
 c81test_SOURCES = c81test.cc
 crypt_SOURCES = crypt.cc
-cl_SOURCES = cl.cc
+mbdyn_cl_SOURCES = cl.cc
 dae_intg_SOURCES = dae-intg.cc dae-intg.h
-deriv_SOURCES = deriv.c
+mbdyn_deriv_SOURCES = deriv.c
 print_env_SOURCES = env.c
 eu2rot_SOURCES = eu2rot.cc
 eu2phi_SOURCES = eu2phi.cc
@@ -275,7 +275,7 @@ c81test_LDADD = ../mbdyn/aero/libaero.la \
 ../libraries/libmbutil/libmbutil.la \
 $(MYLIBS)
 crypt_LDADD = $(MYLIBS) @SECURITY_LIBS@
-cl_LDADD = $(MYLIBS)
+mbdyn_cl_LDADD = $(MYLIBS)
 dae_intg_LDADD = $(MYLIBS)
 eu2rot_LDADD = $(MYLIBS)
 eu2phi_LDADD = $(MYLIBS)