diff --git a/src/assets/calculator.js b/src/assets/calculator.js
index c741869..73605d7 100644
--- a/src/assets/calculator.js
+++ b/src/assets/calculator.js
@@ -49,7 +49,7 @@ function cageCheck(dimensions, numRats, numFullFloors) {
         failedCriteria[FAILED_NUM_RATS] = FAIL_CRITERIA[FAILED_NUM_RATS];
     }
 
-    const baseArea = dimensions.length * dimensions.width;
+    const baseArea = dimensions.depth * dimensions.width;
     if (baseArea < MINIMUM_BASE_AREA) {
         failedCriteria[FAILED_BASE_AREA] = FAIL_CRITERIA[FAILED_BASE_AREA];
     }
@@ -63,7 +63,7 @@ function cageCheck(dimensions, numRats, numFullFloors) {
         failedCriteria[FAILED_FALL_HEIGHT] = FAIL_CRITERIA[FAILED_FALL_HEIGHT];
     }
 
-    if (dimensions.width < MINIMUM_LENGTH && dimensions.length < MINIMUM_LENGTH) {
+    if (dimensions.width < MINIMUM_LENGTH && dimensions.depth < MINIMUM_LENGTH) {
         failedCriteria[FAILED_LENGTH] = FAIL_CRITERIA[FAILED_LENGTH];
     }