diff --git a/Make.inc b/Make.inc
index 26e2f46..5b1df12 100644
--- a/Make.inc
+++ b/Make.inc
@@ -10,7 +10,7 @@ default: all
 	$(CC) $(filter -f% -m% -B% -I% -D%,$(CFLAGS)) -c $< -o $@
 
 clean:
-	rm -f *.o *~
+	rm -f *.o *.c.o *.S.o *~
 
 # OS-specific stuff
 OS = $(shell uname)
diff --git a/bsdsrc/Makefile b/bsdsrc/Makefile
index fe3a20a..99a944e 100644
--- a/bsdsrc/Makefile
+++ b/bsdsrc/Makefile
@@ -1,5 +1,5 @@
 include ../Make.inc
 
-SRCS=	b_exp.o    b_log.o    b_tgamma.o
+SRCS=	b_exp.c.o    b_log.c.o    b_tgamma.c.o
 
 all: $(SRCS)