diff --git a/yoga/Yoga.cpp b/yoga/Yoga.cpp
index b9a5f781..a05ff852 100644
--- a/yoga/Yoga.cpp
+++ b/yoga/Yoga.cpp
@@ -369,7 +369,7 @@ YGConfigRef YGConfigNew(void) {
 }
 
 void YGConfigFree(const YGConfigRef config) {
-  free(config);
+  delete config;
   gConfigInstanceCount--;
 }