diff --git a/src/web/waiters/InputWaiter.mjs b/src/web/waiters/InputWaiter.mjs
index 94663a0b2e..ab9b5b7496 100644
--- a/src/web/waiters/InputWaiter.mjs
+++ b/src/web/waiters/InputWaiter.mjs
@@ -988,7 +988,7 @@ class InputWaiter {
      */
     inputDragover(e) {
         // This will be set if we're dragging an operation
-        if (e.dataTransfer.effectAllowed === "move")
+        if (this.manager.recipe.dragInProgress)
             return false;
 
         e.stopPropagation();
@@ -1021,7 +1021,7 @@ class InputWaiter {
      */
     async inputDrop(e) {
         // This will be set if we're dragging an operation
-        if (e.dataTransfer.effectAllowed === "move")
+        if (this.manager.recipe.dragInProgress)
             return false;
 
         e.stopPropagation();
diff --git a/src/web/waiters/OperationsWaiter.mjs b/src/web/waiters/OperationsWaiter.mjs
index 45a40c82fb..41c7452c25 100755
--- a/src/web/waiters/OperationsWaiter.mjs
+++ b/src/web/waiters/OperationsWaiter.mjs
@@ -183,10 +183,11 @@ class OperationsWaiter {
      * @param {Element} el - The element to start selecting from
      */
     enableOpsListPopovers(el) {
+        const self = this;
         $(el).find("[data-toggle=popover]").addBack("[data-toggle=popover]")
             .popover({trigger: "manual"})
             .on("mouseenter", function(e) {
-                if (e.buttons > 0) return; // Mouse button held down - likely dragging an operation
+                if (e.buttons > 0 || self.manager.recipe.dragInProgress) return; // Mouse button held down - likely dragging an operation
                 const _this = this;
                 $(this).popover("show");
                 $(".popover").on("mouseleave", function () {
diff --git a/src/web/waiters/RecipeWaiter.mjs b/src/web/waiters/RecipeWaiter.mjs
index 4272ef3b67..fe301abe78 100755
--- a/src/web/waiters/RecipeWaiter.mjs
+++ b/src/web/waiters/RecipeWaiter.mjs
@@ -26,6 +26,7 @@ class RecipeWaiter {
         this.app = app;
         this.manager = manager;
         this.removeIntent = false;
+        this.dragInProgress = false;
     }
 
 
@@ -88,6 +89,7 @@ class RecipeWaiter {
      * @param {element} listEl - The list to initialise
      */
     createSortableSeedList(listEl) {
+        const self = this;
         Sortable.create(listEl, {
             group: {
                 name: "recipe",
@@ -99,6 +101,7 @@ class RecipeWaiter {
                 dataTransfer.setData("Text", dragEl.textContent);
             },
             onStart: function(evt) {
+                self.dragInProgress = true;
                 // Removes popover element and event bindings from the dragged operation but not the
                 // event bindings from the one left in the operations list. Without manually removing
                 // these bindings, we cannot re-initialise the popover on the stub operation.
@@ -126,6 +129,7 @@ class RecipeWaiter {
      * @param {event} evt
      */
     opSortEnd(evt) {
+        this.dragInProgress = false;
         if (this.removeIntent && evt.item.parentNode.id === "rec-list") {
             evt.item.remove();
             return;
@@ -159,7 +163,7 @@ class RecipeWaiter {
      * @param {event} e
      */
     favDragover(e) {
-        if (e.dataTransfer.effectAllowed !== "move")
+        if (!this.dragInProgress)
             return false;
 
         e.stopPropagation();
@@ -534,7 +538,7 @@ class RecipeWaiter {
      */
     textArgDragover (e) {
         // This will be set if we're dragging an operation
-        if (e.dataTransfer.effectAllowed === "move")
+        if (this.dragInProgress)
             return false;
 
         e.stopPropagation();
@@ -564,7 +568,7 @@ class RecipeWaiter {
      */
     textArgDrop(e) {
         // This will be set if we're dragging an operation
-        if (e.dataTransfer.effectAllowed === "move")
+        if (this.dragInProgress)
             return false;
 
         e.stopPropagation();