diff --git a/src/main.cc b/src/main.cc
index 6eafcdd..a942d00 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -29,6 +29,10 @@
 #include "job.h"
 #include "debug.h"
 
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
 
 namespace {
 
@@ -146,7 +150,7 @@ int main(int argc, char *argv[]) {
 
   int fd = STDIN_FILENO;
   if (job_filename) {
-    fd = open(job_filename, O_RDONLY);
+    fd = open(job_filename, O_RDONLY | O_BINARY);
     if (fd < 0) {
       fprintf(stderr, "ERROR: " PACKAGE ": Unable to open raster file\n");
       return 1;