diff --git a/src/libumskt/confid/confid.cpp b/src/libumskt/confid/confid.cpp
index b4a4bc0..5325ccd 100644
--- a/src/libumskt/confid/confid.cpp
+++ b/src/libumskt/confid/confid.cpp
@@ -942,7 +942,7 @@ int ConfirmationID::Generate(const char* installation_id_str, char confirmation_
 			}
 			if (strcmp(&channelid[0], "OEM") == 0) {
 				productID[1] = stoi(productid.substr(12,3));
-				productID[2] = (stoi(productid.substr(15,1)) * 1000000) + stoi(productid.substr(18,5));
+				productID[2] = (stoi(productid.substr(15,1)) * 100000) + stoi(productid.substr(18,5));
 				productID[2] = calculateCheckDigit(productID[2]);
 				productID[3] = ((stoi(productid.substr(10,2))) * 1000) + productID[3];
 			} else {