diff --git a/Fonderie/Makefile b/Fonderie/Makefile
index 0611aac5..e72df859 100644
--- a/Fonderie/Makefile
+++ b/Fonderie/Makefile
@@ -36,7 +36,7 @@ metriques.o:	metriques.c metriques.h Makefile
 glitches.o:	glitches.c glitches.h Makefile
 	gcc ${COPT} -c $<
 
-interpolator:	interpolator.c ${OBJS}  Makefile
+interpolator:	interpolator.c ${DEPS}  Makefile
 	gcc ${COPT} $< ${OBJS}  ${LIBS} -lz -o $@
 
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