diff --git a/kdumpctl b/kdumpctl
index 690584e..7f82f4f 100755
--- a/kdumpctl
+++ b/kdumpctl
@@ -1597,6 +1597,12 @@ reset_crashkernel()
 	fi
 }
 
+# to tell if it's package install other than upgrade
+_is_package_install()
+{
+	[[ -f /tmp/kexec_tools_package_install ]]
+}
+
 # update the crashkernel value in GRUB_ETC_DEFAULT if necessary
 #
 # called by reset_crashkernel_after_update and inherit its array variable
@@ -1606,6 +1612,10 @@ update_crashkernel_in_grub_etc_default_after_update()
 	local _crashkernel _fadump_val
 	local _dump_mode _old_default_crashkernel _new_default_crashkernel
 
+	if _is_package_install; then
+		return
+	fi
+
 	_crashkernel=$(_read_kernel_arg_in_grub_etc_default crashkernel)
 
 	if [[ -z $_crashkernel ]]; then
@@ -1681,6 +1691,12 @@ reset_crashkernel_for_installed_kernel()
 	local _installed_kernel _running_kernel _crashkernel _crashkernel_running
 	local _dump_mode_running _fadump_val_running
 
+	# During package install, only try to reset crashkernel for osbuild
+	# thus to avoid calling grubby when installing os via anaconda
+	if _is_package_install && ! _is_osbuild; then
+		return
+	fi
+
 	if ! _installed_kernel=$(_find_kernel_path_by_release "$1"); then
 		exit 1
 	fi
diff --git a/kexec-tools.spec b/kexec-tools.spec
index ba9f0ea..c9c1ce7 100644
--- a/kexec-tools.spec
+++ b/kexec-tools.spec
@@ -265,6 +265,11 @@ if [ ! -f /run/ostree-booted ] && [ $1 == 2 ] && grep -q get-default-crashkernel
   kdumpctl get-default-crashkernel fadump > /tmp/old_default_crashkernel_fadump 2>/dev/null
 %endif
 fi
+# indicate it's package install so kdumpctl later will only reset crashkernel
+# value for osbuild.
+if [ $1 == 1 ]; then
+  touch /tmp/kexec_tools_package_install
+fi
 # don't block package update
 :