diff --git a/libboard_zynq/src/flash/mod.rs b/libboard_zynq/src/flash/mod.rs
index 9909a26f..4dd42aa6 100644
--- a/libboard_zynq/src/flash/mod.rs
+++ b/libboard_zynq/src/flash/mod.rs
@@ -28,7 +28,7 @@ const INST_WRDI: u8 = 0x04;
 /// Instruction: Write Enable
 const INST_WREN: u8 = 0x06;
 /// Instruction: Program page
-const INST_PP: u8 = 02;
+const INST_PP: u8 = 0x02;
 /// Instruction: Sector Erase
 const INST_SE: u8 = 0xD8;
 /// Instruction: Erase 4K Block