diff --git a/mailx-12.5-parentheses.dif b/mailx-12.5-parentheses.dif
index 8509400..85f8c4a 100644
--- a/mailx-12.5-parentheses.dif
+++ b/mailx-12.5-parentheses.dif
@@ -233,7 +233,7 @@
   */
  #define FF(a, b, c, d, x, s, ac) { \
 -	(a) = (a) + F((b), (c), (d)) + (x) + ((ac)&0xffffffff) & 0xffffffff; \
-+	(a) = (a) + F((b), (c), (d)) + ((x) + ((ac)&0xffffffff) & 0xffffffff); \
++	(a) = (a) + F((b), (c), (d)) + (((x) + ((ac)&0xffffffff)) & 0xffffffff); \
  	(a) = ROTATE_LEFT((a), (s)); \
 -	(a) = (a) + (b) & 0xffffffff; \
 +	(a) = (a) + ((b) & 0xffffffff); \
@@ -241,7 +241,7 @@
  
  #define GG(a, b, c, d, x, s, ac) { \
 -	(a) = (a) + G((b), (c), (d)) + (x) + ((ac)&0xffffffff) & 0xffffffff; \
-+	(a) = (a) + G((b), (c), (d)) + ((x) + ((ac)&0xffffffff) & 0xffffffff); \
++	(a) = (a) + G((b), (c), (d)) + (((x) + ((ac)&0xffffffff)) & 0xffffffff); \
  	(a) = ROTATE_LEFT((a), (s)); \
 -	(a) = (a) + (b) & 0xffffffff; \
 +	(a) = (a) + ((b) & 0xffffffff); \
@@ -249,7 +249,7 @@
  
  #define HH(a, b, c, d, x, s, ac) { \
 -	(a) = (a) + H((b), (c), (d)) + (x) + ((ac)&0xffffffff) & 0xffffffff; \
-+	(a) = (a) + H((b), (c), (d)) + ((x) + ((ac)&0xffffffff) & 0xffffffff); \
++	(a) = (a) + H((b), (c), (d)) + (((x) + ((ac)&0xffffffff)) & 0xffffffff); \
  	(a) = ROTATE_LEFT((a), (s)); \
 -	(a) = (a) + (b) & 0xffffffff; \
 +	(a) = (a) + ((b) & 0xffffffff); \
@@ -257,7 +257,7 @@
  
  #define II(a, b, c, d, x, s, ac) { \
 -	(a) = (a) + I((b), (c), (d)) + (x) + ((ac)&0xffffffff) & 0xffffffff; \
-+	(a) = (a) + I((b), (c), (d)) + ((x) + ((ac)&0xffffffff) & 0xffffffff); \
++	(a) = (a) + I((b), (c), (d)) + (((x) + ((ac)&0xffffffff)) & 0xffffffff); \
  	(a) = ROTATE_LEFT((a), (s)); \
 -	(a) = (a) + (b) & 0xffffffff; \
 +	(a) = (a) + ((b) & 0xffffffff); \