diff --git a/Fonderie/Makefile b/Fonderie/Makefile
index 652da513..9530ddee 100644
--- a/Fonderie/Makefile
+++ b/Fonderie/Makefile
@@ -42,7 +42,7 @@ metriques.o:	metriques.c metriques.h Makefile
 glitches.o:	glitches.c glitches.h Makefile
 	gcc ${COPT} -c $<
 
-interpolator:	interpolator.c ${DEPS}  Makefile
+interpolator:	interpolator.c ${DEPS} ${OBJS} Makefile
 	gcc ${COPT} $< ${OBJS}  ${LIBS} -lz -o $@
 
 # ---------------------------------------------------------