diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49c50ed..74de7b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,16 +55,17 @@ endif()
 # Configuration Options
 # ------------------------------------------------------------------
 option(GPRT_BUILD_SHARED "Build GPRT as a shared library? (otherwise static)" OFF)
-set(BUILD_SHARED_LIBS ${GPRT_BUILD_SHARED}) # use 'GPRT_' naming convention
 option(GPRT_USE_INCLUDED_GLFW "Build GPRT including the submoduled GLFW? (otherwise, system GLFW will be found)" ON)  
 
 # ------------------------------------------------------------------
 # External configuration variables
 # ------------------------------------------------------------------
 
-# provide these varaibles at both a local and parent scope
+# provide these variables at both a local and parent scope
 if (GPRT_IS_SUBPROJECT)
   set(GPRT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/gprt PARENT_SCOPE)
+else()
+  set(BUILD_SHARED_LIBS ${GPRT_BUILD_SHARED})
 endif()
 set(GPRT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/gprt)