diff --git a/src/containers/custom-procedures.jsx b/src/containers/custom-procedures.jsx
index 002a5c4b79cb71b80807de9f6847a0f7adc43ce6..b7df8793b1027532434277bda7f0808cfc8f11d4 100644
--- a/src/containers/custom-procedures.jsx
+++ b/src/containers/custom-procedures.jsx
@@ -39,6 +39,7 @@ class CustomProcedures extends React.Component {
 
         // Create the procedure declaration block for editing the mutation.
         this.mutationRoot = this.workspace.newBlock('procedures_declaration');
+        this.mutationRoot.setMovable(false);
         this.workspace.addChangeListener(() => {
             this.mutationRoot.onChangeFn();
             // Keep the block centered on the workspace