diff --git a/unittests/CMakeLists.txt b/unittests/CMakeLists.txt
index 6100f7346..b72d902f2 100644
--- a/unittests/CMakeLists.txt
+++ b/unittests/CMakeLists.txt
@@ -12,7 +12,11 @@ endif()
 # Produces a binary named 'basename(test_dirname)'.
 function(add_clad_unittest test_dirname)
 
-  add_unittest(CladUnitTests ${test_dirname} ${ARGN})
+  if (LLVM_LINK_LLVM_DYLIB)
+    set(no_libllvm_so DISABLE_LLVM_LINK_LLVM_DYLIB)
+  endif(LLVM_LINK_LLVM_DYLIB)
+
+  add_unittest(CladUnitTests ${test_dirname} ${ARGN} ${no_libllvm_so})
 
   # Remove the llvm_gtest_* coming from add_unittest.
   get_target_property(GTEST_LINKED_LIBS ${test_dirname} LINK_LIBRARIES)