diff --git a/utils.cpp b/utils.cpp
index 4dadc40..8b05c05 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -3,11 +3,10 @@
 uint32_t swap_endian32(uint32_t data){
   uint32_t swapped = 0x00;
 
-  swapped |=  data               << 24;
-  swapped |= (data & 0x0000ff00) <<  8;
-  swapped |= (data & 0x00ff0000) <<  8;
-  swapped |=  data               >> 24;
+  swapped += (data & 0xff000000) >> 24;
+  swapped += (data & 0x00ff0000) >>  8;
+  swapped += (data & 0x0000ff00) <<  8;
+  swapped += (data & 0x000000ff) << 24;
 
   return swapped;
 }
-