From: Andreas Schwab

Index: src/emacs.c
===================================================================
---
 src/emacs.c |    4 ++++
 1 file changed, 4 insertions(+)

--- src/emacs.c
+++ src/emacs.c	2021-10-08 09:36:17.039806927 +0000
@@ -837,12 +837,16 @@ load_pdump (int argc, char **argv)
     NULL
 #endif
     ;
+#ifdef PDMP_BASE
+  const char *argv0_base = PDMP_BASE
+#else
   const char *argv0_base =
 #ifdef NS_SELF_CONTAINED
     "Emacs"
 #else
     "emacs"
 #endif
+#endif
     ;
 
   /* TODO: maybe more thoroughly scrub process environment in order to