diff --git a/src/interfaces/ecpg/ecpglib/misc.c b/src/interfaces/ecpg/ecpglib/misc.c
index 832ec830dc5..77effbd3919 100644
--- a/src/interfaces/ecpg/ecpglib/misc.c
+++ b/src/interfaces/ecpg/ecpglib/misc.c
@@ -499,7 +499,7 @@ ecpg_gettext(const char *msgid)
 #endif
 	}
 
-	return dgettext(PG_TEXTDOMAIN("ecpg"), msgid);
+	return dgettext(PG_TEXTDOMAIN("ecpglib"), msgid);
 }
 #endif   /* ENABLE_NLS */