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-rw-r--r--src/emu/validity.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/validity.cpp b/src/emu/validity.cpp
index fee199034fc..d2d675526a3 100644
--- a/src/emu/validity.cpp
+++ b/src/emu/validity.cpp
@@ -1964,7 +1964,7 @@ void validity_checker::validate_device_types()
// check for description conflicts
auto const drvdesc(m_descriptions_map.find(dev->name()));
auto const devdesc(device_name_map.emplace(dev->name(), &type));
- if (m_names_map.end() != drvdesc)
+ if (m_descriptions_map.end() != drvdesc)
{
game_driver const &dup(*drvdesc->second);
osd_printf_error("Device %s name '%s' is a duplicate of %s(%s)\n", description.c_str(), dev->name(), core_filename_extract_base(dup.type.source()).c_str(), dup.name);