diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index e594e5898be01c4e3faaf9f06532b868ae9fcb05..c9953f86b19d618b5afe9bfbadd2c1f350675504 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -3,7 +3,7 @@ DT_DOC_CHECKER ?= dt-doc-validate
 DT_EXTRACT_EX ?= dt-extract-example
 DT_MK_SCHEMA ?= dt-mk-schema
 
-DT_SCHEMA_LINT := $(shell which yamllint || \
+DT_SCHEMA_LINT = $(shell which yamllint || \
   echo "warning: python package 'yamllint' not installed, skipping" >&2)
 
 DT_SCHEMA_MIN_VERSION = 2022.3