diff --git a/src/client/refresh/gl3/gl3_mesh.c b/src/client/refresh/gl3/gl3_mesh.c
index 7c0f117c..37a6fbca 100644
--- a/src/client/refresh/gl3/gl3_mesh.c
+++ b/src/client/refresh/gl3/gl3_mesh.c
@@ -675,7 +675,7 @@ GL3_DrawAliasModel(entity_t *e)
 		{
 			gl3state.uni3DData.transProjMat4.Elements[0][i] = -gl3state.uni3DData.transProjMat4.Elements[0][i];
 		}
-		GL3_UpdateUBO3D();
+		//GL3_UpdateUBO3D(); Note: GL3_RotateForEntity() will call this,no need to do it twice before drawing
 
 		glCullFace(GL_BACK);
 	}
diff --git a/src/client/refresh/gl3/gl3_shaders.c b/src/client/refresh/gl3/gl3_shaders.c
index bf5202a1..8fb4132f 100644
--- a/src/client/refresh/gl3/gl3_shaders.c
+++ b/src/client/refresh/gl3/gl3_shaders.c
@@ -697,6 +697,22 @@ void GL3_ShutdownShaders(void)
 		glDeleteProgram(gl3state.si3D.shaderProgram);
 	memset(&gl3state.si3D, 0, sizeof(gl3ShaderInfo_t));
 
+	if(gl3state.si3Dflow.shaderProgram != 0)
+		glDeleteProgram(gl3state.si3Dflow.shaderProgram);
+	memset(&gl3state.si3Dflow, 0, sizeof(gl3ShaderInfo_t));
+
+	if(gl3state.si3Dturb.shaderProgram != 0)
+		glDeleteProgram(gl3state.si3Dturb.shaderProgram);
+	memset(&gl3state.si3Dturb, 0, sizeof(gl3ShaderInfo_t));
+
+	if(gl3state.si3Dalias.shaderProgram != 0)
+		glDeleteProgram(gl3state.si3Dalias.shaderProgram);
+	memset(&gl3state.si3Dalias, 0, sizeof(gl3ShaderInfo_t));
+
+	if(gl3state.si3DaliasColor.shaderProgram != 0)
+		glDeleteProgram(gl3state.si3DaliasColor.shaderProgram);
+	memset(&gl3state.si3DaliasColor, 0, sizeof(gl3ShaderInfo_t));
+
 	glDeleteBuffers(3, &gl3state.uniCommonUBO);
 	gl3state.uniCommonUBO = gl3state.uni2DUBO = gl3state.uni3DUBO = 0;
 }
diff --git a/src/client/refresh/gl3/header/local.h b/src/client/refresh/gl3/header/local.h
index 818b9f83..5fb94053 100644
--- a/src/client/refresh/gl3/header/local.h
+++ b/src/client/refresh/gl3/header/local.h
@@ -387,6 +387,8 @@ extern void GL3_DrawBrushModel(entity_t *e);
 extern void GL3_DrawWorld(void);
 extern void GL3_MarkLeaves(void);
 
+// gl3_mesh.c
+extern void GL3_DrawAliasModel(entity_t *e);
 
 // gl3_shaders.c