diff --git a/esp_idf_panic_decoder/pc_address_decoder.py b/esp_idf_panic_decoder/pc_address_decoder.py
index dc6144a..7161313 100644
--- a/esp_idf_panic_decoder/pc_address_decoder.py
+++ b/esp_idf_panic_decoder/pc_address_decoder.py
@@ -61,4 +61,7 @@ def lookup_pc_address(self, pc_addr: str, is_rom: bool = False) -> Optional[str]
                 return decoded if not is_rom else decoded.replace('at ??:?', 'in ROM')
         except OSError as err:
             red_print(f'{" ".join(cmd)}: {err}')
+        except subprocess.CalledProcessError as err:
+            red_print(f'{" ".join(cmd)}: {err}')
+            red_print('ELF file is missing or has changed, the build folder was probably modified.')
         return None