diff --git a/src/Corporation/ui/IndustryOffice.tsx b/src/Corporation/ui/IndustryOffice.tsx
index ba80822a3..b5f040a0b 100644
--- a/src/Corporation/ui/IndustryOffice.tsx
+++ b/src/Corporation/ui/IndustryOffice.tsx
@@ -464,8 +464,8 @@ export function IndustryOffice(props: IProps): React.ReactElement {
                 title={<Typography>Throw an office party to increase your employee's morale and happiness</Typography>}
               >
                 <span>
-                  <Button disabled={corp.funds < 0} onClick={() => setThrowPartyOpen(true)}>
-                    Throw Party
+                  <Button disabled={corp.funds < 0 || props.office.partyMult > 0} onClick={() => setThrowPartyOpen(true)}>
+                    {props.office.partyMult > 0 ? "Throwing Party..." : "Throw Party"}
                   </Button>
                 </span>
               </Tooltip>
diff --git a/src/Corporation/ui/modals/ThrowPartyModal.tsx b/src/Corporation/ui/modals/ThrowPartyModal.tsx
index 1df61aac0..8bbd9d3f7 100644
--- a/src/Corporation/ui/modals/ThrowPartyModal.tsx
+++ b/src/Corporation/ui/modals/ThrowPartyModal.tsx
@@ -38,11 +38,15 @@ export function ThrowPartyModal(props: IProps): React.ReactElement {
       dialogBoxCreate("You don't have enough company funds to throw a party!");
     } else {
       const mult = ThrowParty(corp, props.office, cost);
-      dialogBoxCreate(
-        "You threw a party for the office! The morale and happiness " +
-          "of each employee increased by " +
-          numeralWrapper.formatPercentage(mult - 1),
-      );
+
+      if (mult > 0) {
+        dialogBoxCreate(
+          "You threw a party for the office! The morale and happiness " +
+            "of each employee increased by " +
+            numeralWrapper.formatPercentage(mult - 1),
+        );
+      }
+
       props.rerender();
       props.onClose();
     }