diff --git a/ChangeLog b/ChangeLog
index 06550e0..b19ffc3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -347,6 +347,8 @@ was found by the LLVM fuzzer.
 103. The POSIX wrapper function regexec() crashed if the option REG_STARTEND 
 was set when the pmatch argument was NULL. It now returns REG_INVARG.
 
+104. Allow for up to 32-bit numbers in the ordin() function in pcre2grep.
+
 
 Version 10.20 30-June-2015
 --------------------------
diff --git a/src/pcre2grep.c b/src/pcre2grep.c
index 9216245..dfaea0a 100644
--- a/src/pcre2grep.c
+++ b/src/pcre2grep.c
@@ -2421,7 +2421,7 @@ return options;
 static char *
 ordin(int n)
 {
-static char buffer[8];
+static char buffer[14];
 char *p = buffer;
 sprintf(p, "%d", n);
 while (*p != 0) p++;