diff --git a/src/util/system.cpp b/src/util/system.cpp
index 8164e884b17..e63f2e5c708 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -1021,7 +1021,7 @@ bool FileCommit(FILE *file)
         return false;
     }
 #else
-    #if defined(__linux__) || defined(__NetBSD__)
+    #if defined(HAVE_FDATASYNC)
     if (fdatasync(fileno(file)) != 0 && errno != EINVAL) { // Ignore EINVAL for filesystems that don't support sync
         LogPrintf("%s: fdatasync failed: %d\n", __func__, errno);
         return false;