diff --git a/src/modules/RenderUtils.cc b/src/modules/RenderUtils.cc
index 89f4e1c..b229bc6 100644
--- a/src/modules/RenderUtils.cc
+++ b/src/modules/RenderUtils.cc
@@ -1350,14 +1350,14 @@ void DebugDrawFrame(RenderProgram &program, const Matrix44f& mat) {
 	sCoordinateFrameMesh.Draw(GL_LINES);
 }
 
-void DebugDrawSphere(RenderProgram &program, const Matrix44f& mat, const Vector3f& color) {
+void DebugDrawSphere(RenderProgram &program, const Matrix44f& mat, const Vector4f& color) {
 	sVertexArray.Bind();
 	program.SetMat44("uModelMatrix", mat);
-	program.SetVec4("uColor", Vector4f (color[0], color[1], color[2], 1.0f));
+	program.SetVec4("uColor", Vector4f (color[0], color[1], color[2], color[3]));
 	sIcoSphere.Draw(GL_TRIANGLES);
 }
  
-void DebugDrawBone(RenderProgram &program, const Matrix44f& mat, const Vector3f& color) {
+void DebugDrawBone(RenderProgram &program, const Matrix44f& mat, const Vector4f& color) {
 	sVertexArray.Bind();
 
 	const float sphere_size = 0.035f;
@@ -1370,7 +1370,7 @@ void DebugDrawBone(RenderProgram &program, const Matrix44f& mat, const Vector3f&
 			);
 
 	program.SetMat44("uModelMatrix", mat);
-	program.SetVec4("uColor", Vector4f (color[0], color[1], color[2], 1.0f));
+	program.SetVec4("uColor", Vector4f (color[0], color[1], color[2], color[3]));
 	sBoneBody.Draw(GL_TRIANGLES);
 
 	DebugDrawSphere(
diff --git a/src/modules/RenderUtils.h b/src/modules/RenderUtils.h
index 5341c82..7d56dd4 100644
--- a/src/modules/RenderUtils.h
+++ b/src/modules/RenderUtils.h
@@ -614,7 +614,7 @@ void DebugDrawInitialize();
 void DebugDrawShutdown();
 void DebugDrawCube(RenderProgram &program, const Matrix44f& mat);
 void DebugDrawFrame(RenderProgram &program, const Matrix44f& mat);
-void DebugDrawSphere(RenderProgram &program, const Matrix44f& mat, const Vector3f& color = Vector3f (1.0f, 1.0f, 1.0f));
-void DebugDrawBone(RenderProgram &program, const Matrix44f& mat, const Vector3f& color = Vector3f (0.1f, 0.8f, 0.4f));
+void DebugDrawSphere(RenderProgram &program, const Matrix44f& mat, const Vector4f& color = Vector4f (1.0f, 1.0f, 1.0f, 1.0f));
+void DebugDrawBone(RenderProgram &program, const Matrix44f& mat, const Vector4f& color = Vector4f (0.1f, 0.8f, 0.4f, 1.0f));
  
 #endif