diff --git a/src/static_variant.cpp b/src/static_variant.cpp
index 97c69d9..63cbb8f 100644
--- a/src/static_variant.cpp
+++ b/src/static_variant.cpp
@@ -12,7 +12,7 @@ dynamic_storage::~dynamic_storage()
 
 void* dynamic_storage::data() const
 {
-    assert( storage != nullptr );
+    FC_ASSERT( storage != nullptr );
     return (void*)storage;
 }