diff --git a/src/bin2c/Makefile.am b/src/bin2c/Makefile.am
index 2245ff3a2..bba3c3e3a 100644
--- a/src/bin2c/Makefile.am
+++ b/src/bin2c/Makefile.am
@@ -2,5 +2,5 @@ noinst_PROGRAMS = bin2c
 
 bin2c_SOURCES = bin2c.c
 
-bin2c: bin2c.c
+bin2c$(EXEEXT): bin2c.c
 	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) -o bin2c bin2c.c