diff --git a/scripts/west_commands/runners/stm32cubeprogrammer.py b/scripts/west_commands/runners/stm32cubeprogrammer.py
index 1335fa3c66e..b4c9884d0fe 100644
--- a/scripts/west_commands/runners/stm32cubeprogrammer.py
+++ b/scripts/west_commands/runners/stm32cubeprogrammer.py
@@ -270,6 +270,8 @@ class STM32CubeProgrammerBinaryRunner(ZephyrBinaryRunner):
             self.check_call(cmd + ["--erase", "all"])
 
         # Define binary to be loaded
+        dl_file = None
+
         if self._use_elf:
             # Use elf file if instructed to do so.
             dl_file = self.cfg.elf_file