diff --git a/src/common/RefreshDeferrer.h b/src/common/RefreshDeferrer.h
index 6932e022..1052116e 100644
--- a/src/common/RefreshDeferrer.h
+++ b/src/common/RefreshDeferrer.h
@@ -29,8 +29,12 @@ class ReplacingRefreshDeferrerAccumulator: public RefreshDeferrerAccumulator
 {
 private:
     T *value = nullptr;
+    bool replaceIfNull;
 
 public:
+    explicit ReplacingRefreshDeferrerAccumulator(bool replaceIfNull = true)
+        : replaceIfNull(replaceIfNull) {}
+
     ~ReplacingRefreshDeferrerAccumulator() override
     {
         delete value;
@@ -39,6 +43,9 @@ public:
 protected:
     void accumulate(RefreshDeferrerParams params) override
     {
+        if (!replaceIfNull && !params) {
+            return;
+        }
         delete value;
         value = static_cast<T *>(params);
     }
diff --git a/src/widgets/CutterDockWidget.h b/src/widgets/CutterDockWidget.h
index e643e6d4..8dd926ab 100644
--- a/src/widgets/CutterDockWidget.h
+++ b/src/widgets/CutterDockWidget.h
@@ -33,14 +33,13 @@ protected:
     void closeEvent(QCloseEvent *event) override;
 
     template<class ParamResult, typename Func>
-    RefreshDeferrer *createReplacingRefreshDeferrer(Func refreshNowFunc)
+    RefreshDeferrer *createReplacingRefreshDeferrer(bool replaceIfNull, Func refreshNowFunc)
     {
-        auto *deferrer = new RefreshDeferrer(new ReplacingRefreshDeferrerAccumulator<ParamResult>(), this);
+        auto *deferrer = new RefreshDeferrer(new ReplacingRefreshDeferrerAccumulator<ParamResult>(replaceIfNull), this);
         deferrer->registerFor(this);
         connect(deferrer, &RefreshDeferrer::refreshNow, this, [refreshNowFunc](const RefreshDeferrerParamsResult paramsResult) {
-            printf("got refresh now!\n");
-            auto *offset = static_cast<const ParamResult *>(paramsResult);
-            refreshNowFunc(offset);
+            auto *result = static_cast<const ParamResult *>(paramsResult);
+            refreshNowFunc(result);
         });
         return deferrer;
     }
diff --git a/src/widgets/DisassemblyWidget.cpp b/src/widgets/DisassemblyWidget.cpp
index 84e2f3a8..6775dad0 100644
--- a/src/widgets/DisassemblyWidget.cpp
+++ b/src/widgets/DisassemblyWidget.cpp
@@ -62,9 +62,8 @@ DisassemblyWidget::DisassemblyWidget(MainWindow *main, QAction *action)
     setupFonts();
     setupColors();
 
-    disasmRefresh = createReplacingRefreshDeferrer<RVA>([this](const RVA *offset) {
-        printf("got refresh now!\n");
-        refreshDisasm(*offset);
+    disasmRefresh = createReplacingRefreshDeferrer<RVA>(false, [this](const RVA *offset) {
+        refreshDisasm(offset ? *offset : RVA_INVALID);
     });
 
     maxLines = 0;
@@ -199,11 +198,9 @@ QWidget *DisassemblyWidget::getTextWidget()
 
 void DisassemblyWidget::refreshDisasm(RVA offset)
 {
-    if(!disasmRefresh->attemptRefresh(new RVA(offset))) {
-        printf("we tried to refresh, but shouldn't yet.\n");
+    if(!disasmRefresh->attemptRefresh(offset == RVA_INVALID ? nullptr : new RVA(offset))) {
         return;
     }
-    printf("ok, actually refreshing now!\n");
 
     if (offset != RVA_INVALID) {
         topOffset = offset;