diff --git a/extension-iap/src/iap_android.cpp b/extension-iap/src/iap_android.cpp
index f20602c..e8d37a5 100644
--- a/extension-iap/src/iap_android.cpp
+++ b/extension-iap/src/iap_android.cpp
@@ -1,5 +1,10 @@
 #if defined(DM_PLATFORM_ANDROID)
 
+#define EXTENSION_NAME IAPExt
+#define LIB_NAME "IAPExt"
+#define MODULE_NAME "IAPExt"
+#define DLIB_LOG_DOMAIN LIB_NAME
+
 #include <dmsdk/sdk.h>
 #include <dmsdk/dlib/android.h>
 
@@ -8,8 +13,6 @@
 #include "iap.h"
 #include "iap_private.h"
 
-#define LIB_NAME "iap"
-
 struct IAP
 {
     IAP()
@@ -267,6 +270,7 @@ JNIEXPORT void JNICALL Java_com_defold_iap_IapJNI_onProductsResult(JNIEnv* env,
         cmd->m_Data = strdup(pl);
         env->ReleaseStringUTFChars(productList, pl);
     }
+
     IAP_Queue_Push(&g_IAP.m_CommandQueue, cmd);
 }
 
@@ -288,6 +292,7 @@ JNIEXPORT void JNICALL Java_com_defold_iap_IapJNI_onPurchaseResult__ILjava_lang_
         cmd.m_Data = strdup(pd);
         env->ReleaseStringUTFChars(purchaseData, pd);
     }
+
     IAP_Queue_Push(&g_IAP.m_CommandQueue, &cmd);
 }
 
@@ -343,6 +348,7 @@ static void HandlePurchaseResult(const IAPCommand* cmd)
 
     if (!dmScript::SetupCallback(cmd->m_Callback))
     {
+        dmLogError("Failed to setup callback");
         assert(top == lua_gettop(L));
         return;
     }
@@ -358,6 +364,7 @@ static void HandlePurchaseResult(const IAPCommand* cmd)
             IAP_PushError(L, "purchase response was null", REASON_UNSPECIFIED);
         }
     } else if (cmd->m_ResponseCode == BILLING_RESPONSE_RESULT_USER_CANCELED) {
+        dmLogError("User canceled purchase");
         lua_pushnil(L);
         IAP_PushError(L, "user canceled purchase", REASON_USER_CANCELED);
     } else {
@@ -367,9 +374,7 @@ static void HandlePurchaseResult(const IAPCommand* cmd)
     }
 
     dmScript::PCall(L, 3, 0);
-
     dmScript::TeardownCallback(cmd->m_Callback);
-
     assert(top == lua_gettop(L));
 }
 
@@ -454,9 +459,10 @@ static dmExtension::Result FinalizeIAP(dmExtension::Params* params)
     env->DeleteGlobalRef(g_IAP.m_IAP);
     env->DeleteGlobalRef(g_IAP.m_IAPJNI);
     g_IAP.m_IAP = NULL;
+
     return dmExtension::RESULT_OK;
 }
 
-DM_DECLARE_EXTENSION(IAPExt, "IAP", 0, 0, InitializeIAP, UpdateIAP, 0, FinalizeIAP)
+DM_DECLARE_EXTENSION(EXTENSION_NAME, LIB_NAME, 0, 0, InitializeIAP, UpdateIAP, 0, FinalizeIAP)
 
 #endif //DM_PLATFORM_ANDROID
diff --git a/extension-iap/src/iap_ios.mm b/extension-iap/src/iap_ios.mm
index f3b28fd..65c35c3 100644
--- a/extension-iap/src/iap_ios.mm
+++ b/extension-iap/src/iap_ios.mm
@@ -1,5 +1,10 @@
 #if defined(DM_PLATFORM_IOS)
 
+#define EXTENSION_NAME IAPExt
+#define LIB_NAME "IAPExt"
+#define MODULE_NAME "IAPExt"
+#define DLIB_LOG_DOMAIN LIB_NAME
+
 #include <dmsdk/sdk.h>
 
 #include "iap.h"
@@ -9,8 +14,6 @@
 #import <UIKit/UIKit.h>
 #import <StoreKit/StoreKit.h>
 
-#define LIB_NAME "iap"
-
 struct IAP;
 
 @interface SKPaymentTransactionObserver : NSObject<SKPaymentTransactionObserver>
@@ -636,6 +639,5 @@ static dmExtension::Result FinalizeIAP(dmExtension::Params* params)
 }
 
 
-DM_DECLARE_EXTENSION(IAPExt, "IAP", 0, 0, InitializeIAP, UpdateIAP, 0, FinalizeIAP)
-
+DM_DECLARE_EXTENSION(EXTENSION_NAME, LIB_NAME, 0, 0, InitializeIAP, UpdateIAP, 0, FinalizeIAP)
 #endif // DM_PLATFORM_IOS