diff --git a/cmake/AwsPrebuildDependency.cmake b/cmake/AwsPrebuildDependency.cmake
index 232311f61..5ccaee316 100644
--- a/cmake/AwsPrebuildDependency.cmake
+++ b/cmake/AwsPrebuildDependency.cmake
@@ -35,9 +35,9 @@ function(aws_prebuild_dependency)
 
     # For execute_process to accept a dynamically constructed command, it should be passed in a list format.
     set(cmakeCommand "${CMAKE_COMMAND}")
+    list(APPEND cmakeCommand -E env CMAKE_PREFIX_PATH="$PREFIX_PATH_STR")
     list(APPEND cmakeCommand -S ${AWS_PREBUILD_SOURCE_DIR})
     list(APPEND cmakeCommand -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE})
-    list(APPEND cmakeCommand -DCMAKE_PREFIX_PATH=${PREFIX_PATH_STR})
     list(APPEND cmakeCommand -DCMAKE_INSTALL_PREFIX=${depInstallDir})
     list(APPEND cmakeCommand -DCMAKE_INSTALL_RPATH=${CMAKE_INSTALL_RPATH})
     list(APPEND cmakeCommand -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS})