diff --git a/src/SPC/builder/unix/library/libxml2.php b/src/SPC/builder/unix/library/libxml2.php
index 87fbab10..0b7d0bb0 100644
--- a/src/SPC/builder/unix/library/libxml2.php
+++ b/src/SPC/builder/unix/library/libxml2.php
@@ -30,7 +30,7 @@ trait libxml2
             );
 
         if ($this instanceof LinuxLibraryBase) {
-            $cmake->addConfigureArgs('-DIconv_IS_BUILD_IN=OFF');
+            $cmake->addConfigureArgs('-DIconv_IS_BUILT_IN=OFF');
         }
 
         $cmake->build();