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-rw-r--r--src/emu/diimage.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/emu/diimage.cpp b/src/emu/diimage.cpp
index 4e5ca05e002..f60fa032dd8 100644
--- a/src/emu/diimage.cpp
+++ b/src/emu/diimage.cpp
@@ -23,7 +23,6 @@
#include "zippath.h"
#include <algorithm>
-#include <cctype>
#include <cstring>
#include <regex>
#include <sstream>
@@ -140,8 +139,7 @@ void device_image_interface::set_image_filename(std::string_view filename)
bool device_image_interface::is_filetype(std::string_view candidate_filetype) const
{
- return std::equal(m_filetype.begin(), m_filetype.end(), candidate_filetype.begin(), candidate_filetype.end(),
- [] (unsigned char c1, unsigned char c2) { return std::tolower(c1) == c2; });
+ return util::streqlower(m_filetype, candidate_filetype);
}