diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index c253940b..b9180022 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -1304,7 +1304,7 @@ void FurnaceGUI::drawInsEdit() {
         ImGui::Text("Type");
 
         ImGui::TableNextColumn();
-        if (ins->type<0 || ins->type>=DIV_INS_MAX) ins->type=DIV_INS_FM;
+        if (ins->type>=DIV_INS_MAX) ins->type=DIV_INS_FM;
         int insType=ins->type;
         ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
         if (ImGui::Combo("##Type",&insType,insTypes,DIV_INS_MAX,DIV_INS_MAX)) {