diff --git a/src/ca/caProvider.cpp b/src/ca/caProvider.cpp
index 7734334..9077ee2 100644
--- a/src/ca/caProvider.cpp
+++ b/src/ca/caProvider.cpp
@@ -212,6 +212,7 @@ public:
 
     void destroySharedInstance()
     {
+        if(!sharedProvider) return;
         sharedProvider->destroy();
         sharedProvider.reset();
     }