diff --git a/configs/raspberrypizero2w_defconfig b/configs/raspberrypizero2w_defconfig
index 1bf335c076..e152889f2d 100644
--- a/configs/raspberrypizero2w_defconfig
+++ b/configs/raspberrypizero2w_defconfig
@@ -3,7 +3,7 @@ BR2_cortex_a53=y
 BR2_ARM_FPU_NEON_VFPV4=y
 
 # Linux headers same as kernel, 6.1 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6.1=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
 
 BR2_TOOLCHAIN_BUILDROOT_CXX=y