diff --git a/src/utils/fileUtilities.c b/src/utils/fileUtilities.c
index 2c9a917..b02417c 100644
--- a/src/utils/fileUtilities.c
+++ b/src/utils/fileUtilities.c
@@ -9,11 +9,11 @@
 
 //Reads the given amount of bytes from the currently open file into the given buffer.
 void readBytesIntoBuffer(uint8_t* buffer, long numBytes) {
-  const size_t result = fread(buffer, 1, numBytes, file.filePointer);
+  const unsigned long result = fread(buffer, 1, numBytes, file.filePointer);
   file.offset += result;
 
   if (result != numBytes) {
-    fprintf(stderr, "Could not read %lu bytes from file: %s\n", numBytes, strerror(errno));
+    fprintf(stderr, "Wanted to read %lu bytes from file but only read %lu bytes: %s\n", numBytes, result, strerror(errno));
     exit(1);
   }
 }