diff --git a/xs/src/libslic3r/libslic3r.h b/xs/src/libslic3r/libslic3r.h
index 50b4241de..94b8141de 100644
--- a/xs/src/libslic3r/libslic3r.h
+++ b/xs/src/libslic3r/libslic3r.h
@@ -32,6 +32,8 @@ void confess_at(const char *file, int line, const char *func, const char *pat, .
 	#define STDMOVE(WHAT) (WHAT)
 #endif
 
+// dummy macro to mark strings for translation for gettext/poedit
+#define __TRANS(s) s
 namespace Slic3r {
 
 constexpr auto SLIC3R_VERSION = "1.3.0-dev";