diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -1735,13 +1735,10 @@
 mdb_strerror(int err)
 {
 #ifdef _WIN32
-	/** HACK: pad 4KB on stack over the buf. Return system msgs in buf.
-	 *	This works as long as no function between the call to mdb_strerror
-	 *	and the actual use of the message uses more than 4K of stack.
-	 */
+	// Avoid potential issue with stack-allocated string by using static variable
 #define MSGSIZE	1024
-#define PADSIZE	4096
-	char buf[MSGSIZE+PADSIZE], *ptr = buf;
+	static char buf[MSGSIZE];
+	char *ptr = buf;
 #endif
 	int i;
 	if (!err)