diff --git a/src/ram_block.vhd b/src/ram_block.vhd
old mode 100755
new mode 100644
diff --git a/src/ram_entity_only.vhd b/src/ram_entity_only.vhd
old mode 100755
new mode 100644
diff --git a/src/riscv_types.vhd b/src/riscv_types.vhd
old mode 100755
new mode 100644