diff --git a/Sources/mParticle-Appboy/MPKitAppboy.m b/Sources/mParticle-Appboy/MPKitAppboy.m
index 05525b4..79ab1af 100644
--- a/Sources/mParticle-Appboy/MPKitAppboy.m
+++ b/Sources/mParticle-Appboy/MPKitAppboy.m
@@ -534,6 +534,11 @@ - (MPKitExecStatus *)routeCommerceEvent:(MPCommerceEvent *)commerceEvent {
             }
         }
         
+        NSDictionary *commerceCustomAttribues = [commerceEvent.customAttributes transformValuesToString];
+        for (NSString *key in commerceCustomAttribues) {
+            baseProductAttributes[key] = commerceCustomAttribues[key];
+        }
+        
         NSArray *products = commerceEvent.products;
         NSString *currency = commerceEvent.currency ? : @"USD";
         NSMutableDictionary *properties;
diff --git a/mParticle_AppboyTests/mParticle_AppboyTests.m b/mParticle_AppboyTests/mParticle_AppboyTests.m
index dde3bcb..0e1cd34 100644
--- a/mParticle_AppboyTests/mParticle_AppboyTests.m
+++ b/mParticle_AppboyTests/mParticle_AppboyTests.m
@@ -667,7 +667,8 @@ - (void)testlogPurchaseCommerceEvent {
                                        @"Tax Amount" : @3,
                                        @"Transaction Id" : @"foo-transaction-id",
                                        @"Name" : @"product1",
-                                       @"Category" : @"category1"
+                                       @"Category" : @"category1",
+                                       @"testKey" : @"testCustomAttValue"
                        }];
 
     MPKitExecStatus *execStatus = [kit logBaseEvent:event];
@@ -715,7 +716,8 @@ - (void)testlogPurchaseCommerceEventSendingProductName {
                                        @"Tax Amount" : @3,
                                        @"Transaction Id" : @"foo-transaction-id",
                                        @"Name" : @"product1",
-                                       @"Category" : @"category1"
+                                       @"Category" : @"category1",
+                                       @"testKey" : @"testCustomAttValue"
                        }];
 
     MPKitExecStatus *execStatus = [kit logBaseEvent:event];