diff --git a/src/engine/engine.h b/src/engine/engine.h
index 54a33c23e..28e8ac7f8 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -54,9 +54,9 @@
 #define EXTERN_BUSY_BEGIN_SOFT e->softLocked=true; e->isBusy.lock();
 #define EXTERN_BUSY_END e->isBusy.unlock(); e->softLocked=false;
 
-//#define DIV_UNSTABLE
+#define DIV_UNSTABLE
 
-#define DIV_VERSION "0.6pre8"
+#define DIV_VERSION "dev166"
 #define DIV_ENGINE_VERSION 166
 // for imports
 #define DIV_VERSION_MOD 0xff01
diff --git a/src/gui/compatFlags.cpp b/src/gui/compatFlags.cpp
index 55f3cb589..0010fc899 100644
--- a/src/gui/compatFlags.cpp
+++ b/src/gui/compatFlags.cpp
@@ -314,7 +314,7 @@ void FurnaceGUI::drawCompatFlags() {
         }
         ImGui::Checkbox("Continuous vibrato",&e->song.continuousVibrato);
         if (ImGui::IsItemHovered()) {
-          ImGui::SetTooltip("when enabled, vibrato will not be reset on a new note.");
+          ImGui::SetTooltip("when enabled, vibrato phase/position will not be reset on a new note.");
         }
         InvCheckbox("Pitch macro is not linear",&e->song.pitchMacroIsLinear);
         if (ImGui::IsItemHovered()) {