diff --git a/src/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp b/src/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp
index 208f154f16d..2c411777a17 100644
--- a/src/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp
+++ b/src/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp
@@ -530,8 +530,11 @@ void CurlHttpClient::InitGlobalState()
 
 void CurlHttpClient::CleanupGlobalState()
 {
-    curl_global_cleanup();
-    isInit = false;
+    if (isInit)
+    {
+        curl_global_cleanup();
+        isInit = false;
+    }
 }
 
 Aws::String CurlInfoTypeToString(curl_infotype type)