diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index dc572e8cf4..094cceda50 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -704,8 +704,10 @@ $(SUBDIR)sin_tables.c: $(SUBDIR)costablegen$(HOSTEXESUF)
 
 ifdef CONFIG_MPEGAUDIO_HP
 $(SUBDIR)mpegaudio_tablegen$(HOSTEXESUF): HOSTCFLAGS += -DFRAC_BITS=23
+$(SUBDIR)mpegaudio_tablegen.ho: CPPFLAGS += -DFRAC_BITS=23
 else
 $(SUBDIR)mpegaudio_tablegen$(HOSTEXESUF): HOSTCFLAGS += -DFRAC_BITS=15
+$(SUBDIR)mpegaudio_tablegen.ho: CPPFLAGS += -DFRAC_BITS=15
 endif
 
 $(SUBDIR)%_tablegen$(HOSTEXESUF): $(SUBDIR)%_tablegen.c $(SUBDIR)tableprint.c