diff --git a/vimlac/Makefile b/vimlac/Makefile
index d6b5df6..0d3178f 100755
--- a/vimlac/Makefile
+++ b/vimlac/Makefile
@@ -14,8 +14,9 @@ test_cpu:	test_cpu.c $(DEVFILES) Makefile
 vimlac:	${OFILES} Makefile
 	gcc -o vimlac ${CFLAGS} ${OFILES}
 
-test_ptr:	test_ptr.c ptrptp.c Makefile
-	gcc -o test_ptr ${CFLAGS} ptrptp.c test_ptr.c
+test_ptr:	test_ptr.c ptrptp.c error.c Makefile
+	gcc -o test_ptr ${CFLAGS} error.c ptrptp.c test_ptr.c
+	./test_ptr
 
 test_plist:	test_plist.c $(DEVFILES) Makefile
 	gcc -o test_plist ${CFLAGS} -lcunit $(DEVFILES) test_plist.c
diff --git a/vimlac/test_ptr.c b/vimlac/test_ptr.c
index dcacd2d..0fe29a8 100755
--- a/vimlac/test_ptr.c
+++ b/vimlac/test_ptr.c
@@ -3,7 +3,7 @@
  */
 
 #include "vimlac.h"
-#include "ptr.h"
+#include "ptrptp.h"
 
 #define TIMEOUT 5000