diff --git a/src/ShuttleGui.cpp b/src/ShuttleGui.cpp
index 374afa4e1..d15217245 100644
--- a/src/ShuttleGui.cpp
+++ b/src/ShuttleGui.cpp
@@ -2089,6 +2089,9 @@ void ShuttleGuiBase::UpdateSizersCore(bool bPrepend, int Flags, bool prompt)
          else if( mItem.mHasMinSize )
             mpWind->SetMinSize( mItem.mMinSize );
 
+         if ( mItem.mWindowSize != wxSize{} )
+            mpWind->SetSize( mItem.mWindowSize );
+
          // Reset to defaults
          mItem = {};
       }
diff --git a/src/ShuttleGui.h b/src/ShuttleGui.h
index 19389fde6..f74d48bcf 100644
--- a/src/ShuttleGui.h
+++ b/src/ShuttleGui.h
@@ -221,6 +221,12 @@ struct Item {
       return std::move( *this );
    }
 
+   Item&& Size( wxSize size ) &&
+   {
+      mWindowSize = size;
+      return std::move( *this );
+   }
+
    std::function< void(wxWindow*) > mValidatorSetter;
    TranslatableString mToolTip;
    TranslatableString mName;
@@ -233,6 +239,8 @@ struct Item {
    // Applies to windows, not to subsizers
    int mWindowPositionFlags{ 0 };
 
+   wxSize mWindowSize{};
+
    wxSize mMinSize{ -1, -1 };
    bool mHasMinSize{ false };
    bool mUseBestSize{ false };
@@ -663,6 +671,12 @@ public:
       return *this;
    }
 
+   ShuttleGui & Size( wxSize size )
+   {
+      std::move( mItem ).Size( size );
+      return *this;
+   }
+
    // Prop() sets the proportion value, defined as in wxSizer::Add().
    ShuttleGui & Prop( int iProp ){ ShuttleGuiBase::Prop(iProp); return *this;}; // Has to be here too, to return a ShuttleGui and not a ShuttleGuiBase.
 
diff --git a/src/effects/Equalization.cpp b/src/effects/Equalization.cpp
index 81edebac5..96b2d76e3 100644
--- a/src/effects/Equalization.cpp
+++ b/src/effects/Equalization.cpp
@@ -871,7 +871,7 @@ void EffectEqualization::PopulateOrExchange(ShuttleGui & S)
          for (int i = 0; (i < NUMBER_OF_BANDS) && (kThirdOct[i] <= mHiFreq); ++i)
          {
             mSliders[i] = safenew wxSliderWrapper(pParent, ID_Slider + i, 0, -20, +20,
-               wxDefaultPosition, wxSize(-1,150), wxSL_VERTICAL | wxSL_INVERSE);
+               wxDefaultPosition, wxDefaultSize, wxSL_VERTICAL | wxSL_INVERSE);
 
 #if wxUSE_ACCESSIBILITY
             mSliders[i]->SetAccessible(safenew SliderAx(mSliders[i], _("%d dB")));
@@ -889,6 +889,7 @@ void EffectEqualization::PopulateOrExchange(ShuttleGui & S)
                .ConnectRoot(
                   wxEVT_ERASE_BACKGROUND, &EffectEqualization::OnErase)
                .Position(wxEXPAND)
+               .Size( { -1, 150 } )
                .AddWindow( mSliders[i] );
          }
          S.AddSpace(15,0);