1 files changed, 4 insertions, 6 deletions
diff --git a/space.js b/space.js
index 86bd067..4159fc9 100644
--- a/space.js
+++ b/space.js
@@ -103,12 +103,10 @@ function Space(){
 
     // Iterate over other.data and add to this.data
     while (this.data.length < offset[0]+other.data.length) this.data.push([]); // Row padding
-    for (let row = 0; row < other.data.length; row++){
-      let thisrow  = this.data[row+offset[0]];
-      while (thisrow.length < offset[1]+other.data[row].length) thisrow.push(''); // Character-wise padding
-      for (let chr = 0; chr < other.data[row].length; chr++){
-        let thechr = chr+offset[1];
-        thisrow[thechr] = func(thisrow[thechr], other.data[row][chr]);
+    for (let row = 0; row < this.data.length; row++){
+      while (this.data[row].length < offset[1]+other.data[row+offset[0]].length) thisrow.push(''); // Character-wise padding
+      for (let chr = 0; chr < this.data[row].length; chr++){
+        thisrow[chr] = func(thisrow[chr], other.data[row+offset[0]][chr+offset[1]] || '');
       }
     }
   }