diff --git a/left/src/bootloader_config.c b/left/src/bootloader_config.c
index 45c9aa2..2e9804c 100644
--- a/left/src/bootloader_config.c
+++ b/left/src/bootloader_config.c
@@ -5,7 +5,7 @@ __attribute__((used, section(".BootloaderConfig"))) const bootloader_config_t Bo
     .tag = BOOTLOADER_TAG,
     .enabledPeripherals = ENABLE_PERIPHERAL_I2C,
     .i2cSlaveAddress = I2C_ADDRESS_LEFT_KEYBOARD_HALF_BOOTLOADER,
-    .peripheralDetectionTimeoutMs = 300,
+    .peripheralDetectionTimeoutMs = BOOTLOADER_TIMEOUT_MS,
     .clockFlags = 0xFF,    // Disable High speed mode
     .clockDivider = 0xFF,  // Use clock divider (0)
 };
diff --git a/shared/bootloader.h b/shared/bootloader.h
index 5a68090..7710c80 100644
--- a/shared/bootloader.h
+++ b/shared/bootloader.h
@@ -9,6 +9,7 @@
 // Macros:
 
     #define BOOTLOADER_TAG 0x6766636B
+    #define BOOTLOADER_TIMEOUT_MS 100
 
     // bits for bootloader_config_t.enabledPeripherals
     #define ENABLE_PERIPHERAL_UART     (1<<0)