diff --git a/kernel/memory/pageframealloc.cc b/kernel/memory/pageframealloc.cc
index 006ae41..fad2955 100644
--- a/kernel/memory/pageframealloc.cc
+++ b/kernel/memory/pageframealloc.cc
@@ -51,20 +51,28 @@ void PageFrameAllocator::init(){
     //mark as unavailable
     memory_map_entry = memory_map_start;
     while(memory_map_entry != 0){
-        uintptr_t start =  (uintptr_t)memory_map_entry->getStartAddress();
-        uintptr_t end =  (uintptr_t)memory_map_entry->getEndAddress();
-        bool available = memory_map_entry->isAvailable();
+      uintptr_t start =  (uintptr_t)memory_map_entry->getStartAddress();
+      uintptr_t end =  (uintptr_t)memory_map_entry->getEndAddress();
+      bool available = memory_map_entry->isAvailable();
 
-        if(!available)
-            mark_pageframes(start, end, false);
+      if(!available)
+        mark_pageframes(start, end, false);
 
-        memory_map_entry = memory_map_entry->getNext();
+      memory_map_entry = memory_map_entry->getNext();
     }
 
-    Multiboot::Module* mod = Multiboot::getModule(0);
+    for (size_t i = 0; i < Multiboot::getModuleCount(); ++i) {
+      Multiboot::Module* mod = Multiboot::getModule(i);
+      if (!mod) continue;
+
+      mark_pageframes((uintptr_t)mod, (uintptr_t)mod + 1, false);
+      mark_pageframes((uintptr_t)mod->getStartAddress(),
+          (uintptr_t)mod->getEndAddress(),
+          false);
+    }
+
+
 
-    mark_pageframes((uintptr_t)mod, (uintptr_t)mod+1, false);
-    mark_pageframes((uintptr_t)mod->getStartAddress(), (uintptr_t)mod->getEndAddress(), false);
 
     //mark other known regions as unavailable
     mark_pageframes((uintptr_t)&___KERNEL_START___, (uintptr_t)&___KERNEL_END___, false);