diff --git a/kernel/arch/i686/PageTable.cpp b/kernel/arch/i686/PageTable.cpp
index 8f8159f6..60ceb108 100644
--- a/kernel/arch/i686/PageTable.cpp
+++ b/kernel/arch/i686/PageTable.cpp
@@ -343,8 +343,8 @@ namespace Kernel
 			;
 		else if (pages <= 32 || !s_is_initialized)
 		{
-			for (size_t i = 0; i < pages; i++, vaddr += PAGE_SIZE)
-				asm volatile("invlpg (%0)" :: "r"(vaddr));
+			for (size_t i = 0; i < pages; i++)
+				asm volatile("invlpg (%0)" :: "r"(vaddr + i * PAGE_SIZE));
 		}
 		else if (is_userspace || !s_has_pge)
 		{
diff --git a/kernel/arch/x86_64/PageTable.cpp b/kernel/arch/x86_64/PageTable.cpp
index 3a526909..2fbfe4c0 100644
--- a/kernel/arch/x86_64/PageTable.cpp
+++ b/kernel/arch/x86_64/PageTable.cpp
@@ -472,8 +472,8 @@ namespace Kernel
 			;
 		else if (pages <= 32 || !s_is_initialized)
 		{
-			for (size_t i = 0; i < pages; i++, vaddr += PAGE_SIZE)
-				asm volatile("invlpg (%0)" :: "r"(vaddr));
+			for (size_t i = 0; i < pages; i++)
+				asm volatile("invlpg (%0)" :: "r"(vaddr + i * PAGE_SIZE));
 		}
 		else if (is_userspace || !s_has_pge)
 		{