diff --git a/apps/sparo-lib/src/services/SparoProfileService.ts b/apps/sparo-lib/src/services/SparoProfileService.ts
index bbbae27..4446ebf 100644
--- a/apps/sparo-lib/src/services/SparoProfileService.ts
+++ b/apps/sparo-lib/src/services/SparoProfileService.ts
@@ -344,18 +344,25 @@ ${availableProfiles.join(',')}
     const fromSelector: Set<string> = fromProjects || new Set();
     // If Rush Selector --to <projects> is specified, using `git sparse-checkout add` to add folders of the projects specified
     const projectsSelections: ISelection[] = [...rushSelectorState];
+    const existingSelections: Set<string> = new Set<string>(
+      rushSelectorState.map(({ selector, argument }) => `${selector}$$${argument}`)
+    );
 
     for (const project of toSelector) {
-      projectsSelections.push({
-        selector: '--to',
-        argument: project
-      });
+      if (!existingSelections.has(`--to$$${project}`)) {
+        projectsSelections.push({
+          selector: '--to',
+          argument: project
+        });
+      }
     }
     for (const project of fromSelector) {
-      projectsSelections.push({
-        selector: '--from',
-        argument: project
-      });
+      if (!existingSelections.has(`--from$$${project}`)) {
+        projectsSelections.push({
+          selector: '--from',
+          argument: project
+        });
+      }
     }
 
     if (projectsSelections.length > 0) {
diff --git a/common/changes/sparo/fix-dedup-temporary-selections_2024-05-10-00-44.json b/common/changes/sparo/fix-dedup-temporary-selections_2024-05-10-00-44.json
new file mode 100644
index 0000000..6b6ce60
--- /dev/null
+++ b/common/changes/sparo/fix-dedup-temporary-selections_2024-05-10-00-44.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "sparo",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "sparo"
+}
\ No newline at end of file