diff --git a/src/apps.js b/src/apps.js
index 5dd33bbc4..85b395c1a 100644
--- a/src/apps.js
+++ b/src/apps.js
@@ -659,7 +659,7 @@ function postProcess(result) {
     delete result.portCounts;
 
     for (let i = 0; i < environmentVariables.length; i++) {
-        result.portBindings[environmentVariables[i]] = { hostPort: parseInt(hostPorts[i], 10), type: portTypes[i], portCount: portCounts[i] };
+        result.portBindings[environmentVariables[i]] = { hostPort: parseInt(hostPorts[i], 10), type: portTypes[i], portCount: parseInt(portCounts[i], 10) };
     }
 
     assert(result.accessRestrictionJson === null || typeof result.accessRestrictionJson === 'string');