diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index b7ffbeb07dcf..7b69872518b9 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -1960,7 +1960,7 @@ if(USE_KINETO)
   endif()
 
   if(NOT LIBKINETO_NOROCTRACER)
-    if(NOT ENV{ROCM_SOURCE_DIR})
+    if("$ENV{ROCM_SOURCE_DIR}" STREQUAL "")
       set(ENV{ROCM_SOURCE_DIR} "/opt/rocm")
     endif()
   endif()