diff --git a/btgui/OpenGLWindow/GLInstancingRenderer.cpp b/btgui/OpenGLWindow/GLInstancingRenderer.cpp
index f5f86e70f..d8789ff08 100644
--- a/btgui/OpenGLWindow/GLInstancingRenderer.cpp
+++ b/btgui/OpenGLWindow/GLInstancingRenderer.cpp
@@ -802,11 +802,6 @@ void GLInstancingRenderer::InitShaders()
 	glLinkProgram(createShadowMapInstancingShader);
 	glUseProgram(createShadowMapInstancingShader);
 	createShadow_depthMVP = glGetUniformLocation(createShadowMapInstancingShader, "depthMVP");
-    if (createShadow_depthMVP==0)
-    {
-        printf("Issue with createShadowMapInstancingFragmentShader (createShadow_depthMVP==0), disabling shadow maps\n");
-        useShadowMap=false;
-    }
 
 	glUseProgram(0);
 
diff --git a/btgui/OpenGLWindow/GLRenderToTexture.cpp b/btgui/OpenGLWindow/GLRenderToTexture.cpp
index 332967e5e..aee7e7b40 100644
--- a/btgui/OpenGLWindow/GLRenderToTexture.cpp
+++ b/btgui/OpenGLWindow/GLRenderToTexture.cpp
@@ -66,7 +66,9 @@ bool GLRenderToTexture::enable()
 		}
 		case RENDERTEXTURE_DEPTH:
 		{
-			glDrawBuffer(GL_NONE);
+			GLenum drawBuffers[2] = {GL_DEPTH_ATTACHMENT,0};
+                        glDrawBuffers(1, drawBuffers);
+			//glDrawBuffer(GL_NONE);
 			break;
 		}
 		default:
diff --git a/btgui/OpenGLWindow/Shaders/createShadowMapInstancingPS.h b/btgui/OpenGLWindow/Shaders/createShadowMapInstancingPS.h
index f94672a14..8b2dce8f1 100644
--- a/btgui/OpenGLWindow/Shaders/createShadowMapInstancingPS.h
+++ b/btgui/OpenGLWindow/Shaders/createShadowMapInstancingPS.h
@@ -5,6 +5,6 @@ static const char* createShadowMapInstancingFragmentShader= \
 "layout(location = 0) out float fragmentdepth;\n"
 "void main(void)\n"
 "{\n"
-"	fragmentdepth = gl_FragCoord.z+0.0001*gl_FragCoord.x;\n"
+"	fragmentdepth = gl_FragCoord.z;\n"
 "}\n"
 ;