diff --git a/flang-rt/test/CMakeLists.txt b/flang-rt/test/CMakeLists.txt
index f10bba388fc4..054798d6ff53 100644
--- a/flang-rt/test/CMakeLists.txt
+++ b/flang-rt/test/CMakeLists.txt
@@ -43,6 +43,11 @@ set_target_properties(flang-rt-test-depends PROPERTIES FOLDER "Flang-RT/Meta")
 add_dependencies(flang-rt-test-depends
     flang_rt.runtime
   )
+if (TARGET flang_rt.quadmath)
+  add_dependencies(flang-rt-test-depends
+      flang_rt.quadmath
+    )
+endif ()
 
 add_lit_testsuite(check-flang-rt "Running the Flang-RT regression tests"
     ${CMAKE_CURRENT_BINARY_DIR}