Index: apertium/adapt_docx.cc
--- apertium/adapt_docx.cc.orig
+++ apertium/adapt_docx.cc
@@ -24,6 +24,7 @@
 #include <libxml/tree.h>
 #include <stack>
 #include <vector>
+#include <unistd.h>
 
 #ifdef _MSC_VER
 #include <io.h>
@@ -427,6 +428,10 @@ void process(string fileName, bool outputsName, bool p
 
 int main(int argc, char *argv[])
 {
+	if (pledge("stdio rpath wpath cpath", NULL) == -1) {
+		cerr << "pledge" << endl;
+		exit(EXIT_FAILURE);
+	}
 
 	bool outputsName = false;
 	bool pretty = false;