diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2531fa6929..85839c3798 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,7 +84,7 @@ option(OSGEARTH_BUILD_EXAMPLES "Build the osgEarth example applications" ON)
 option(OSGEARTH_BUILD_TESTS "Build the osgEarth unit tests" OFF)
 option(OSGEARTH_BUILD_PROCEDURAL_NODEKIT "Build the procedural terrain nodekit (osgEarthProcedural)" OFF)
 option(OSGEARTH_BUILD_LEGACY_SPLAT_NODEKIT "Build the legacy procedural nodekit (osgEarthSplat)" OFF)
-option(OSGERATH_BUILD_LEGACY_CONTROLS_API "Build the legacy Controls UI API" OFF)
+option(OSGEARTH_BUILD_LEGACY_CONTROLS_API "Build the legacy Controls UI API" OFF)
 option(OSGEARTH_BUILD_CESIUM_NODEKIT "Build the Cesium nodekit (osgEarthCesium)" OFF)
 option(OSGEARTH_BUILD_TRITON_NODEKIT "Build support for SunDog Triton SDK" OFF)
 option(OSGEARTH_BUILD_SILVERLINING_NODEKIT "Build support for SunDog SilverLining SDK" OFF)