diff --git a/conf/nonclangable.conf b/conf/nonclangable.conf
index 4a5f70d3..9a577c7f 100644
--- a/conf/nonclangable.conf
+++ b/conf/nonclangable.conf
@@ -708,8 +708,12 @@ SELECTED_OPTIMIZATION:append:pn-libjxl:arm:toolchain-clang = " -Og"
 # see https://patchwork.yoctoproject.org/project/oe-core/patch/20240923234336.3978188-1-raj.khem@gmail.com/
 GI_DATA_ENABLED:pn-vte:toolchain-clang:armv7ve = "False"
 
-# in following 4 recipes g-i fails to parse glibc 2.41 headers with clang
+# in following 4 recipes g-i fails to parse glibc 2.41 headers with clang on x86 arches
 GI_DATA_ENABLED:pn-libmodulemd:toolchain-clang:x86 = "False"
 GI_DATA_ENABLED:pn-libblockdev:toolchain-clang:x86 = "False"
 GI_DATA_ENABLED:pn-webkitgtk3:toolchain-clang:x86 = "False"
 GI_DATA_ENABLED:pn-webkitgtk:toolchain-clang:x86 = "False"
+GI_DATA_ENABLED:pn-libmodulemd:toolchain-clang:x86-64 = "False"
+GI_DATA_ENABLED:pn-libblockdev:toolchain-clang:x86-64 = "False"
+GI_DATA_ENABLED:pn-webkitgtk3:toolchain-clang:x86-64 = "False"
+GI_DATA_ENABLED:pn-webkitgtk:toolchain-clang:x86-64 = "False"