--- a/src/os/pl-cstack.c	2021-09-30 06:47:14.000000000 -0600
+++ b/src/os/pl-cstack.c	2021-10-02 20:46:40.273377664 -0600
@@ -371,7 +371,7 @@ addr2line(const char *fname, uintptr_t o
 
       *o = '\0';
 
-      fclose(fd);
+      pclose(fd);
       return o > buf;
     }
   }