diff --git a/rtengine/rawimage.cc b/rtengine/rawimage.cc
index 0ef433ca0..1e8cb02ad 100644
--- a/rtengine/rawimage.cc
+++ b/rtengine/rawimage.cc
@@ -460,7 +460,7 @@ int RawImage::loadRaw (bool loadData, unsigned int imageNum, bool closeFile, Pro
     }
 
     if(!strcmp(make,"Fujifilm") && raw_height * raw_width * 2u != raw_size) {
-        if (raw_width * raw_height * 7 / 4 == raw_size) {
+        if (raw_width * raw_height * 7u / 4u == raw_size) {
             load_raw = &RawImage::fuji_14bit_load_raw;
         } else {
             parse_fuji_compressed_header();