diff --git a/Makefile.unix b/Makefile.unix
index e9a60a4..ba53009 100644
--- a/Makefile.unix
+++ b/Makefile.unix
@@ -12,14 +12,14 @@ OBJECTS4  := vttdemux.o webvttparser.o
 INCLUDES  := -I.
 DEPS      := $(WEBMOBJS:.o=.d) $(OBJECTS1:.o=.d) $(OBJECTS2:.o=.d)
 DEPS      += $(OBJECTS3:.o=.d) $(OBJECTS4:.o=.d)
-EXES      := samplemuxer sample dumpvtt vttdemux
+EXES      := sample_muxer sample dumpvtt vttdemux
 
 all: $(EXES)
 
 sample: sample.o $(LIBWEBMA)
 	$(CXX) $^ -o $@
 
-samplemuxer: $(OBJECTS2) $(LIBWEBMA)
+sample_muxer: $(OBJECTS2) $(LIBWEBMA)
 	$(CXX) $^ -o $@
 
 dumpvtt: $(OBJECTS3)