diff --git a/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.cpp b/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.cpp
index 99ef530b6..3f7c7bdcc 100755
--- a/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.cpp
+++ b/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.cpp
@@ -72,3 +72,10 @@ PerPixelEqn::PerPixelEqn(int _index, Param * _param, GenExpr * _gen_expr):index(
 
 }
 
+
+PerPixelEqn::~PerPixelEqn()
+{
+	if (gen_expr)
+		delete (gen_expr);
+
+}
diff --git a/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.hpp b/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.hpp
index e3a7c50ae..9410d7620 100755
--- a/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.hpp
+++ b/src/libprojectM/MilkdropPresetFactory/PerPixelEqn.hpp
@@ -57,6 +57,7 @@ public:
 
     void evalPerPixelEqns( Preset *preset );
     void evaluate(int mesh_i, int mesh_j);
+    virtual ~PerPixelEqn();
 
     PerPixelEqn(int index, Param * param, GenExpr * gen_expr);