diff --git a/libraries/procedural/src/procedural/Procedural.cpp b/libraries/procedural/src/procedural/Procedural.cpp
index 79a90ef72d..27662e96d0 100644
--- a/libraries/procedural/src/procedural/Procedural.cpp
+++ b/libraries/procedural/src/procedural/Procedural.cpp
@@ -115,6 +115,11 @@ bool Procedural::parseUrl(const QUrl& shaderUrl) {
         return false;
     }
 
+    // If the URL hasn't changed, don't mark the shader as dirty
+    if (_shaderUrl == shaderUrl) {
+        return true;
+    }
+
     _shaderUrl = shaderUrl;
     _shaderDirty = true;