diff --git a/src/engine/fileOps.cpp b/src/engine/fileOps.cpp
index 41fc767a..aac771e0 100644
--- a/src/engine/fileOps.cpp
+++ b/src/engine/fileOps.cpp
@@ -1772,7 +1772,7 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
 
 #ifdef TA_BIG_ENDIAN
         // convert 16-bit samples to big-endian
-        for (size_t pos=0; pos<length; pos++) {
+        for (int pos=0; pos<length; pos++) {
           data[pos]=((unsigned short)data[pos]>>8)|((unsigned short)data[pos]<<8);
         }
 #endif