diff --git a/offload/CMakeLists.txt b/offload/CMakeLists.txt
index a416ac29873f4..42e0f5740f116 100644
--- a/offload/CMakeLists.txt
+++ b/offload/CMakeLists.txt
@@ -302,7 +302,12 @@ endif()
 
 pythonize_bool(LIBOMPTARGET_OMPT_SUPPORT)
 
-set(LIBOMPTARGET_GPU_LIBC_SUPPORT ${LLVM_LIBC_GPU_BUILD} CACHE BOOL
+if(${LLVM_LIBC_GPU_BUILD})
+  set(LIBOMPTARGET_HAS_LIBC TRUE)
+else()
+  set(LIBOMPTARGET_HAS_LIBC FALSE)
+endif()
+set(LIBOMPTARGET_GPU_LIBC_SUPPORT ${LIBOMPTARGET_HAS_LIBC} CACHE BOOL
     "Libomptarget support for the GPU libc")
 pythonize_bool(LIBOMPTARGET_GPU_LIBC_SUPPORT)