diff --git a/src/triangle.cpp b/src/triangle.cpp
index 976e2be..955f50b 100644
--- a/src/triangle.cpp
+++ b/src/triangle.cpp
@@ -14,7 +14,7 @@ Triangle::Triangle(GLuint shaderProgram)
     glBindVertexArray(_vao);
 
     glBindBuffer(GL_ARRAY_BUFFER, _vbo);
-    glBufferData(GL_ARRAY_BUFFER, sizeof(_vertices), &_vertices[0], GL_STATIC_DRAW);
+    glBufferData(GL_ARRAY_BUFFER, _vertices.size() * sizeof(float), &_vertices[0], GL_STATIC_DRAW);
 
     glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
     glEnableVertexAttribArray(0);
@@ -46,8 +46,8 @@ void Triangle::render(float time)
 	float timeValue = time;
 	glUniform1f(timeLocation, timeValue);
 
-    glBindBuffer(GL_ARRAY_BUFFER, _vbo);
 	glBindVertexArray(_vao);
+	glBindBuffer(GL_ARRAY_BUFFER, _vbo);
 	glDrawArrays(GL_TRIANGLES, 0, 3);
 }