diff --git a/src/stack.zig b/src/stack.zig
index 304083b..d3e38d8 100644
--- a/src/stack.zig
+++ b/src/stack.zig
@@ -1,6 +1,7 @@
 const dim = @import("dimensions.zig");
 const term = @import("term.zig");
 const pane = @import("pane.zig");
+const log = @import("log.zig");
 const std = @import("std");
 
 const Pane = pane.Pane;
@@ -126,6 +127,7 @@ pub const Stack = struct {
         var used: usize = 0;
         var available = height - total_absolute;
         const ratio = available / total_fill;
+        var extra = available - (total_fill * ratio);
 
         for (self.children) |child| {
             child.pane.dimensions.pos = .{
@@ -140,7 +142,8 @@ pub const Stack = struct {
 
             switch (child.dimensions.height.type) {
                 .Fill => {
-                    child.pane.dimensions.size.height = child.dimensions.height.value * ratio;
+                    child.pane.dimensions.size.height = (child.dimensions.height.value * ratio) + @min(child.dimensions.height.value, extra);
+                    extra -= @min(child.dimensions.width.value, extra);
                     available -= child.pane.dimensions.size.height;
                 },
                 .Absolute => child.pane.dimensions.size.height = child.dimensions.height.value,
@@ -206,6 +209,7 @@ pub const Stack = struct {
         var used: usize = 0;
         var available = width - total_absolute;
         const ratio = available / total_fill;
+        var extra = available - (total_fill * ratio);
 
         for (self.children) |child| {
             child.pane.dimensions.pos = .{
@@ -220,7 +224,8 @@ pub const Stack = struct {
 
             switch (child.dimensions.width.type) {
                 .Fill => {
-                    child.pane.dimensions.size.width = child.dimensions.width.value * ratio;
+                    child.pane.dimensions.size.width = (child.dimensions.width.value * ratio) + @min(child.dimensions.width.value, extra);
+                    extra -= @min(child.dimensions.width.value, extra);
                     available -= child.pane.dimensions.size.width;
                 },
                 .Absolute => child.pane.dimensions.size.width = child.dimensions.width.value,