diff --git a/recipes/libiec61850/all/conanfile.py b/recipes/libiec61850/all/conanfile.py
index 3ee6c59e5b854..d1a845ee7afca 100644
--- a/recipes/libiec61850/all/conanfile.py
+++ b/recipes/libiec61850/all/conanfile.py
@@ -35,8 +35,8 @@ def source(self):
 
     def generate(self):
         tc = CMakeToolchain(self)
-        tc.variables["BUILD_EXAMPLES"] = False
-        tc.variables["BUILD_TESTS"] = False
+        tc.cache_variables["BUILD_EXAMPLES"] = False
+        tc.cache_variables["BUILD_TESTS"] = False
         tc.cache_variables["FIND_PACKAGE_DISABLE_Doxygen"] = True
         tc.generate()