diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 3e6f06817..15eee6de8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,7 +6,7 @@ cycamore Change Log
 **Added:**
 
 * GitHub workflows for building/testing on a PR and push to `main` (#549, #564)
-* Add functionality for random behavior on the size of a sink (#550)
+* Add functionality for random behavior on the size (#550) and frequency (#565) of a sink 
 * GitHub workflow to check that the CHANGELOG has been updated (#562) 
 
 **Changed:** 
diff --git a/src/sink.cc b/src/sink.cc
index d31a67d84..05fdc3311 100644
--- a/src/sink.cc
+++ b/src/sink.cc
@@ -58,18 +58,18 @@ void Sink::EnterNotify() {
   SetRequestAmt();
   SetNextBuyTime();
 
-  if (random_frequency_size != "None") {
+  if (random_size_type != "None") {
     LOG(cyclus::LEV_INFO4, "SnkFac") << "Sink " << this->id()
                                      << " is using random behavior "
                                      << random_size_type
                                      << " for determining request size.";
   }
-  if (random_frequency_size != "None") {
+  if (random_frequency_type != "None") {
     LOG(cyclus::LEV_INFO4, "SnkFac") << "Sink " << this->id()
                                      << " is using random behavior "
                                      << random_frequency_type
                                      << " for determining request frequency.";
-
+  }
   RecordPosition();
 }