diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index ca95d42c..1d93cb67 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -1791,11 +1791,13 @@ void FurnaceGUI::drawMacros(std::vector<FurnaceGUIMacroDesc>& macros, FurnaceGUI
         if (macroDragScroll>scrollMax) {
           macroDragScroll=scrollMax;
         }
+        ImGui::BeginDisabled(scrollMax<1);
         ImGui::SetNextItemWidth(availableWidth);
         if (CWSliderInt("##MacroScroll",&macroDragScroll,0,scrollMax,"")) {
           if (macroDragScroll<0) macroDragScroll=0;
           if (macroDragScroll>scrollMax) macroDragScroll=scrollMax;
         }
+        ImGui::EndDisabled();
 
         // draw macros
         for (FurnaceGUIMacroDesc& i: macros) {
@@ -1844,11 +1846,13 @@ void FurnaceGUI::drawMacros(std::vector<FurnaceGUIMacroDesc>& macros, FurnaceGUI
         ImGui::TableNextRow();
         ImGui::TableNextColumn();
         ImGui::TableNextColumn();
+        ImGui::BeginDisabled(scrollMax<1);
         ImGui::SetNextItemWidth(availableWidth);
         if (CWSliderInt("##MacroScroll",&macroDragScroll,0,scrollMax,"")) {
           if (macroDragScroll<0) macroDragScroll=0;
           if (macroDragScroll>scrollMax) macroDragScroll=scrollMax;
         }
+        ImGui::EndDisabled();
         ImGui::EndTable();
       }
       break;