diff --git a/c_testcdb.c b/c_testcdb.c
index 34f05ec..5a86cc8 100644
--- a/c_testcdb.c
+++ b/c_testcdb.c
@@ -4,10 +4,10 @@
 #include "collocatordb.h"
 
 int main() {
-	COLLOCATORS *cdb = open_collocators("/tmp/test2");
-	inc_collocators(cdb, 2000, 2000, 4);
-	inc_collocators(cdb, 2000, 2001, 4);
-	inc_collocators(cdb, 2000, 2002, 4);
+	COLLOCATORDB *cdb = open_collocatordb_for_write("/tmp/test.rocksdb");
+	inc_collocator(cdb, 2000, 2000, 4);
+	inc_collocator(cdb, 2000, 2001, 4);
+	inc_collocator(cdb, 2000, 2002, 4);
 	dump_collocators(cdb, 2000, 0, 0);
 	return 0;
 }