diff --git a/kernel/memory/pageframealloc.cc b/kernel/memory/pageframealloc.cc
index ac347f3..d1feb60 100644
--- a/kernel/memory/pageframealloc.cc
+++ b/kernel/memory/pageframealloc.cc
@@ -136,7 +136,7 @@ void* PageFrameAllocator::alloc(bool kernel){
     if(!free_pageframe)
         return 0;
 
-    mark_pageframes(free_pageframe*4096, free_pageframe*4096, false);
+    mark_pageframes(free_pageframe*4096, (free_pageframe*4096)+1, false);
     return (void*)(free_pageframe*4096);
 }