1 files changed, 15 insertions, 11 deletions

diff --git a/sway/commands/resize.c b/sway/commands/resize.c
index 4cefe60b..0c9af12d 100644
--- a/sway/commands/resize.c
+++ b/sway/commands/resize.c
@@ -160,7 +160,7 @@ void container_resize_tiled(struct sway_container *con,
         }
 
         // Apply new dimensions
-        int sibling_amount = prev ? amount / 2 : amount;
+        int sibling_amount = prev ? ceil((double)amount / 2.0) : amount;
 
         if (is_horizontal(axis)) {
                 if (con->width + amount < MIN_SANE_W) {
@@ -173,13 +173,15 @@ void container_resize_tiled(struct sway_container *con,
                         return;
                 }
 
-                con->width_fraction +=
+                double amount_fraction =
                         ((double)amount / con->width) * con->width_fraction;
-                next->width_fraction -=
-                        ((double)sibling_amount / con->width) * con->width_fraction;
+                double sibling_amount_fraction =
+                        prev ? amount_fraction / 2.0 : amount_fraction;
+
+                con->width_fraction += amount_fraction;
+                next->width_fraction -= sibling_amount_fraction;
                 if (prev) {
-                        prev->width_fraction -=
-                                ((double)sibling_amount / con->width) * con->width_fraction;
+                        prev->width_fraction -= sibling_amount_fraction;
                 }
         } else {
                 if (con->height + amount < MIN_SANE_H) {
@@ -192,13 +194,15 @@ void container_resize_tiled(struct sway_container *con,
                         return;
                 }
 
-                con->height_fraction +=
+                double amount_fraction =
                         ((double)amount / con->height) * con->height_fraction;
-                next->height_fraction -=
-                        ((double)sibling_amount / con->height) * con->height_fraction;
+                double sibling_amount_fraction =
+                        prev ? amount_fraction / 2.0 : amount_fraction;
+
+                con->height_fraction += amount_fraction;
+                next->height_fraction -= sibling_amount_fraction;
                 if (prev) {
-                        prev->height_fraction -=
-                                ((double)sibling_amount / con->height) * con->height_fraction;
+                        prev->height_fraction -= sibling_amount_fraction;
                 }
         }