1 files changed, 11 insertions, 2 deletions
diff --git a/src/SFileAddFile.cpp b/src/SFileAddFile.cpp
index 524fb50..0878ab7 100644
--- a/src/SFileAddFile.cpp
+++ b/src/SFileAddFile.cpp
@@ -725,11 +725,20 @@ bool WINAPI SFileCreateFile(
             nError = ERROR_INVALID_PARAMETER;
     }
 
-    // Check for MPQs that have invalid block table size
+    // The number of files must not overflow the maximum
     // Example: size of block table: 0x41, size of hash table: 0x40
     if(nError == ERROR_SUCCESS)
     {
-        if(ha->dwFileTableSize > ha->dwMaxFileCount)
+        DWORD dwReservedFiles = ha->dwReservedFiles;
+
+        if(dwReservedFiles == 0)
+        {
+            dwReservedFiles += ha->dwFileFlags1 ? 1 : 0;
+            dwReservedFiles += ha->dwFileFlags2 ? 1 : 0;
+            dwReservedFiles += ha->dwFileFlags3 ? 1 : 0;
+        }
+
+        if((ha->dwFileTableSize + dwReservedFiles) > ha->dwMaxFileCount)
             nError = ERROR_DISK_FULL;
     }