diff --git a/nix/ext/patches/supautils-strtol-glibc-compat.patch b/nix/ext/patches/supautils-strtol-glibc-compat.patch
index 06f846b91f..8c36e613d9 100644
--- a/nix/ext/patches/supautils-strtol-glibc-compat.patch
+++ b/nix/ext/patches/supautils-strtol-glibc-compat.patch
@@ -26,4 +26,31 @@ index 18e5aee..cdfb63f 100644
 +
  static JSON_ACTION_RETURN_TYPE json_array_start(void *state) {
    json_constrained_extension_parse_state *parse = state;
+
+diff --git a/src/extension_custom_scripts.c b/src/extension_custom_scripts.c
+index 337bd69..3f285cc 100644
+--- a/src/extension_custom_scripts.c
++++ b/src/extension_custom_scripts.c
+@@ -2,6 +2,22 @@
+ #include <errno.h>
+ #include <sys/stat.h>
+ 
++#if defined(__linux__) && defined(__GLIBC__) && (defined(__x86_64__) || defined(__aarch64__))
++#  if defined(__x86_64__)
++#    define SUPAUTILS_STAT_COMPAT_VER "GLIBC_2.2.5"
++#    define SUPAUTILS_STAT_VER 1
++#  else
++#    define SUPAUTILS_STAT_COMPAT_VER "GLIBC_2.17"
++#    define SUPAUTILS_STAT_VER 0
++#  endif
++extern int __xstat(int ver, const char *path, struct stat *buf);
++__asm__(".symver __xstat,__xstat@" SUPAUTILS_STAT_COMPAT_VER);
++#undef stat
++#define stat(path, buf) __xstat(SUPAUTILS_STAT_VER, path, buf)
++#undef stat64
++#define stat64(path, buf) __xstat(SUPAUTILS_STAT_VER, path, buf)
++#endif
++
+ // Prevent recursively running custom scripts
+ static bool running_custom_script = false;
  
diff --git a/nix/ext/supautils.nix b/nix/ext/supautils.nix
index 5712df47a5..aff35bf9bc 100644
--- a/nix/ext/supautils.nix
+++ b/nix/ext/supautils.nix
@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
     hash = "sha256-Wsou5U7/Tuwj2E6aPEmlHg7uz7kGyBOGrb7UkjfEo9U=";
   };
 
+  # remove once all Ubuntu 20.04 (glibc 2.31) hosts are decommissioned
   patches = [ ./patches/supautils-strtol-glibc-compat.patch ];
 
   installPhase = ''