diff --git a/extern/igfd/ImGuiFileDialog.cpp b/extern/igfd/ImGuiFileDialog.cpp
index b53cdf7d6..5628f0401 100644
--- a/extern/igfd/ImGuiFileDialog.cpp
+++ b/extern/igfd/ImGuiFileDialog.cpp
@@ -54,7 +54,7 @@ SOFTWARE.
   #ifndef PATH_MAX
     #define PATH_MAX 260
   #endif // PATH_MAX
-#elif defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined (__EMSCRIPTEN__) || defined(__HAIKU__)
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) || defined (__EMSCRIPTEN__) || defined(__HAIKU__)
   #define UNIX
   #define stricmp strcasecmp
   #include <sys/types.h>