diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 0e1748f78a..7e66c91668 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -72,7 +72,7 @@ OBJS-$(CONFIG_ASENDCMD_FILTER)               += f_sendcmd.o
 OBJS-$(CONFIG_ASETNSAMPLES_FILTER)           += af_asetnsamples.o
 OBJS-$(CONFIG_ASETPTS_FILTER)                += setpts.o
 OBJS-$(CONFIG_ASETRATE_FILTER)               += af_asetrate.o
-OBJS-$(CONFIG_ASETTB_FILTER)                 += f_settb.o
+OBJS-$(CONFIG_ASETTB_FILTER)                 += settb.o
 OBJS-$(CONFIG_ASHOWINFO_FILTER)              += af_ashowinfo.o
 OBJS-$(CONFIG_ASPLIT_FILTER)                 += split.o
 OBJS-$(CONFIG_ASTATS_FILTER)                 += af_astats.o
@@ -193,7 +193,7 @@ OBJS-$(CONFIG_SETDAR_FILTER)                 += vf_aspect.o
 OBJS-$(CONFIG_SETFIELD_FILTER)               += vf_setfield.o
 OBJS-$(CONFIG_SETPTS_FILTER)                 += setpts.o
 OBJS-$(CONFIG_SETSAR_FILTER)                 += vf_aspect.o
-OBJS-$(CONFIG_SETTB_FILTER)                  += f_settb.o
+OBJS-$(CONFIG_SETTB_FILTER)                  += settb.o
 OBJS-$(CONFIG_SHOWINFO_FILTER)               += vf_showinfo.o
 OBJS-$(CONFIG_SHUFFLEPLANES_FILTER)          += vf_shuffleplanes.o
 OBJS-$(CONFIG_SMARTBLUR_FILTER)              += vf_smartblur.o
diff --git a/libavfilter/f_settb.c b/libavfilter/settb.c
similarity index 100%
rename from libavfilter/f_settb.c
rename to libavfilter/settb.c