diff --git a/src/Makefile b/src/Makefile
index 4f75583..2098184 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,4 +1,4 @@
-EXEC=ecoPrimer
+EXEC=ecoPrimers
 
 PRIMER_SRC= ecoprimer.c
 PRIMER_OBJ= $(patsubst %.c,%.o,$(PRIMER_SRC))
@@ -27,8 +27,8 @@ all: $(EXEC)
 
 # executable compilation and link
 
-ecoPrimer: $(PRIMER_OBJ) $(LIBFILE) 
-	$(CC) $(LDFLAGS) -O5 -m64 -o $@ $< $(LIBPATH) $(LIB)
+ecoPrimers: $(PRIMER_OBJ) $(LIBFILE) 
+	$(CC) -g $(LDFLAGS) -O5 -m64 -o $@ $< $(LIBPATH) $(LIB)
 	
 
 ########
@@ -61,3 +61,18 @@ clean:
 		
 
 		
+########
+#
+# clean for k2 to remove .o and .P files
+#
+########
+
+k2clean:
+	rm -f *.o	
+	rm -f *.P
+	rm -f libecoPCR/*.o
+	rm -f libecoPCR/*.P
+	rm -f libecoprimer/*.o
+	rm -f libecoprimer/*.P
+	rm -f libthermo/*.o
+	rm -f libthermo/*.P