diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 91a0bf913b..08c60f782f 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -393,7 +393,7 @@ OBJS-$(CONFIG_MIX_FILTER)                    += vf_mix.o framesync.o
 OBJS-$(CONFIG_MONOCHROME_FILTER)             += vf_monochrome.o
 OBJS-$(CONFIG_MORPHO_FILTER)                 += vf_morpho.o
 OBJS-$(CONFIG_MPDECIMATE_FILTER)             += vf_mpdecimate.o
-OBJS-$(CONFIG_MULTIPLY_FILTER)               += vf_multiply.o
+OBJS-$(CONFIG_MULTIPLY_FILTER)               += vf_multiply.o framesync.o
 OBJS-$(CONFIG_NEGATE_FILTER)                 += vf_negate.o
 OBJS-$(CONFIG_NLMEANS_FILTER)                += vf_nlmeans.o
 OBJS-$(CONFIG_NLMEANS_OPENCL_FILTER)         += vf_nlmeans_opencl.o opencl.o opencl/nlmeans.o