diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
index f106463..0ac9720 100644
--- a/third_party/CMakeLists.txt
+++ b/third_party/CMakeLists.txt
@@ -51,10 +51,18 @@ if (NOT TARGET absl::base)
     set(ABSL_INTERNAL_AT_LEAST_CXX17 ON)
     set(ABSL_PROPAGATE_CXX_STD ON)
     set(ABSL_ENABLE_INSTALL ON)
-    if (BUILD_SHARED_LIBS)
-      set(ABSL_MSVC_STATIC_RUNTIME OFF)
+    if (DEFINED EFFCEE_ENABLE_SHARED_CRT)
+      if (EFFCEE_ENABLE_SHARED_CRT)
+        set(ABSL_MSVC_STATIC_RUNTIME OFF)
+      else()
+        set(ABSL_MSVC_STATIC_RUNTIME ON)
+      endif()
     else()
-      set(ABSL_MSVC_STATIC_RUNTIME ON)
+      if (BUILD_SHARED_LIBS)
+        set(ABSL_MSVC_STATIC_RUNTIME OFF)
+      else()
+        set(ABSL_MSVC_STATIC_RUNTIME ON)
+      endif()
     endif()
     add_subdirectory(${EFFCEE_ABSEIL_DIR} absl EXCLUDE_FROM_ALL)
   endif()