diff -rup orig/annocheck/annocheck.c annobin-13.28/annocheck/annocheck.c
--- orig/annocheck/annocheck.c	2026-08-11 10:59:33.981880653 +0100
+++ annobin-13.28/annocheck/annocheck.c	2026-08-11 11:00:46.525312028 +0100
@@ -730,10 +730,11 @@ extract_debug_rpm_files (void)
       using_tmpdir = true;
 
       char * cwd = getcwd (NULL, 0);
-      const char * tmp = concat ("--debug-dir=", cwd, "/", tmp_debug_dir, NULL);
+#define DEBUG_DIR_OPTION "--debug-dir="
+      const char * tmp = concat (DEBUG_DIR_OPTION, cwd, "/", tmp_debug_dir, NULL);
 
       /* This should never happen, but let's be paranoid.  */
-      if (! is_safe_path (tmp))
+      if (! is_safe_path (tmp + strlen (DEBUG_DIR_OPTION)))
 	{
 	  afinfo (ERROR, tmp, "Path to temporary debug dir contains suspicious characters");
 	  free ((void *) tmp_debug_dir);