diff --git a/pc-bios/kvmvapic.bin b/pc-bios/kvmvapic.bin
old mode 100755
new mode 100644
diff --git a/pc-bios/multiboot.bin b/pc-bios/multiboot.bin
old mode 100755
new mode 100644
diff --git a/pc-bios/sgabios.bin b/pc-bios/sgabios.bin
old mode 100755
new mode 100644