diff --git a/kernel/vm.c b/kernel/vm.c
index 33469d1..9c5798c 100644
--- a/kernel/vm.c
+++ b/kernel/vm.c
@@ -133,9 +133,9 @@ kvmpa(uint64 va)
   
   pte = walk(kernel_pagetable, va, 0);
   if(pte == 0)
-    panic("kernelpa");
+    panic("kvmpa");
   if((*pte & PTE_V) == 0)
-    panic("kernelpa");
+    panic("kvmpa");
   pa = PTE2PA(*pte);
   return pa+off;
 }
@@ -343,7 +343,7 @@ uvmclear(pagetable_t pagetable, uint64 va)
   
   pte = walk(pagetable, va, 0);
   if(pte == 0)
-    panic("clearpteu");
+    panic("uvmclear");
   *pte &= ~PTE_U;
 }