diff --git a/include/exec/tswap.h b/include/exec/tswap.h
index b7a4191..ecd4fae 100644
--- a/include/exec/tswap.h
+++ b/include/exec/tswap.h
@@ -28,7 +28,7 @@
 #ifdef COMPILING_PER_TARGET
 #define target_needs_bswap()  (HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN)
 #else
-#define target_needs_bswap()  (target_words_bigendian() != HOST_BIG_ENDIAN)
+#define target_needs_bswap()  (HOST_BIG_ENDIAN != target_words_bigendian())
 #endif /* COMPILING_PER_TARGET */
 
 static inline uint16_t tswap16(uint16_t s)