zbar/decoder/ean.c  | 4 ++--
 zbar/qrcode/qrdec.c | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/zbar/decoder/ean.c b/zbar/decoder/ean.c
index c20f538..fe38eaa 100644
--- a/zbar/decoder/ean.c
+++ b/zbar/decoder/ean.c
@@ -294,7 +294,7 @@ static inline zbar_symbol_type_t ean_part_end4 (ean_pass_t *pass,
         /* invalid parity combination */
         return(ZBAR_NONE);
 
-    if(!par == fwd) {
+    if(!(par == fwd)) {
         /* reverse sampled digits */
         unsigned char tmp = pass->raw[1];
         pass->state |= STATE_REV;
@@ -380,7 +380,7 @@ static inline zbar_symbol_type_t ean_part_end7 (ean_decoder_t *ean,
         /* invalid parity combination */
         return(ZBAR_NONE);
 
-    if(!par == fwd) {
+    if(!(par == fwd)) {
         unsigned char i;
         pass->state |= STATE_REV;
         /* reverse sampled digits */
diff --git a/zbar/qrcode/qrdec.c b/zbar/qrcode/qrdec.c
index d8fa802..fd42c33 100644
--- a/zbar/qrcode/qrdec.c
+++ b/zbar/qrcode/qrdec.c
@@ -1219,8 +1219,8 @@ static int qr_finder_quick_crossing_check(const unsigned char *_img,
    _x1<0||_x1>=_width||_y1<0||_y1>=_height){
     return -1;
   }
-  if(!_img[_y0*_width+_x0]!=_v||!_img[_y1*_width+_x1]!=_v)return 1;
-  if(!_img[(_y0+_y1>>1)*_width+(_x0+_x1>>1)]==_v)return -1;
+  if(!(_img[_y0*_width+_x0]!=_v)||!(_img[_y1*_width+_x1]!=_v))return 1;
+  if(!(_img[(_y0+_y1>>1)*_width+(_x0+_x1>>1)]==_v))return -1;
   return 0;
 }
 
@@ -1261,7 +1261,7 @@ static int qr_finder_locate_crossing(const unsigned char *_img,
       x0[1-steep]+=step[1-steep];
       err-=dx[steep];
     }
-    if(!_img[x0[1]*_width+x0[0]]!=_v)break;
+    if(!(_img[x0[1]*_width+x0[0]]!=_v))break;
   }
   /*Find the last crossing from _v to !_v.*/
   err=0;
@@ -1273,7 +1273,7 @@ static int qr_finder_locate_crossing(const unsigned char *_img,
       x1[1-steep]-=step[1-steep];
       err-=dx[steep];
     }
-    if(!_img[x1[1]*_width+x1[0]]!=_v)break;
+    if(!(_img[x1[1]*_width+x1[0]]!=_v))break;
   }
   /*Return the midpoint of the _v segment.*/
   _p[0]=(x0[0]+x1[0]+1<<QR_FINDER_SUBPREC)>>1;