diff --git a/src/MachO.zig b/src/MachO.zig
index ee02216b..da0938f3 100644
--- a/src/MachO.zig
+++ b/src/MachO.zig
@@ -1248,6 +1248,12 @@ fn calcSectionSizes(self: *MachO) !void {
             else => 0,
         };
     }
+
+    if (self.la_symbol_ptr_sect_index) |idx| {
+        const header = &self.sections.items(.header)[idx];
+        header.size = self.la_symbol_ptr.size(self);
+        header.@"align" = 3;
+    }
 }
 
 fn initSegments(self: *MachO) !void {
diff --git a/src/MachO/synthetic.zig b/src/MachO/synthetic.zig
index 982d891f..3f4bb923 100644
--- a/src/MachO/synthetic.zig
+++ b/src/MachO/synthetic.zig
@@ -146,7 +146,12 @@ pub const StubsHelperSection = struct {
     }
 };
 
-pub const LaSymbolPtrSection = struct {};
+pub const LaSymbolPtrSection = struct {
+    pub fn size(laptr: LaSymbolPtrSection, macho_file: *MachO) usize {
+        _ = laptr;
+        return macho_file.stubs.symbols.items.len * @sizeOf(u64);
+    }
+};
 
 pub const TlvSection = struct {
     symbols: std.ArrayListUnmanaged(Symbol.Index) = .{},