diff --git a/src/init.cpp b/src/init.cpp
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1063,7 +1063,7 @@
     fs::path blocksdir = GetBlocksDir();
     for (fs::directory_iterator it(blocksdir); it != fs::directory_iterator();
          it++) {
-        if (is_regular_file(*it) &&
+        if (fs::is_regular_file(*it) &&
             it->path().filename().string().length() == 12 &&
             it->path().filename().string().substr(8, 4) == ".dat") {
             if (it->path().filename().string().substr(0, 3) == "blk") {