diff --git a/cross-project-tests/debuginfo-tests/dexter/dex/command/commands/DexDeclareAddress.py
 b/cross-project-tests/debuginfo-tests/dexter/dex/command/commands/DexDeclareAddress.py
--- a/cross-project-tests/debuginfo-tests/dexter/dex/command/commands/DexDeclareAddress.py
+++ b/cross-project-tests/debuginfo-tests/dexter/dex/command/commands/DexDeclareAddress.py
@@ -53,6 +53,9 @@
                 except KeyError:
                     pass
                 else:
-                    hex_val = int(watch.value, 16)
+                    try:
+                        hex_val = int(watch.value, 16)
+                    except ValueError:
+                        hex_val = None
                     self.address_resolutions[self.get_address_name()] = hex_val
                     break