diff --git a/src/GLObjects/GLObject.cpp b/src/GLObjects/GLObject.cpp
index d9b1036..6029b5e 100644
--- a/src/GLObjects/GLObject.cpp
+++ b/src/GLObjects/GLObject.cpp
@@ -9,6 +9,7 @@ GLObject::GLObject(ShaderProgram *shaderProgram): _sp(shaderProgram) {
 GLObject::~GLObject() {
 	glDeleteBuffers(1, &_vertexVbo);
 	glDeleteBuffers(1, &_indexVbo);
+	glDeleteVertexArrays(1, &_vao);
 }
 
 void GLObject::create() {
@@ -27,7 +28,7 @@ void GLObject::create() {
 	glBindBuffer(GL_ARRAY_BUFFER, _vertexVbo);
 	glBufferData(GL_ARRAY_BUFFER, vCount, vArray.get(), GL_STREAM_DRAW);
 	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _indexVbo);
-	glBufferData(GL_ELEMENT_ARRAY_BUFFER, iCount, iArray.get(), GL_STATIC_DRAW);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, iCount, iArray.get(), GL_STREAM_DRAW);
 
 	_trianglesCount = iCount/sizeof(GLuint);
 
diff --git a/src/Shaders/ShaderProgram.cpp b/src/Shaders/ShaderProgram.cpp
index ccf9cfb..918c802 100644
--- a/src/Shaders/ShaderProgram.cpp
+++ b/src/Shaders/ShaderProgram.cpp
@@ -29,6 +29,7 @@ void ShaderProgram::use() const {
 }
 
 ShaderProgram::~ShaderProgram() {
+	glDeleteProgram(_program);
 }
 
 ShaderProgram::operator GLuint() const {