diff --git a/frontend/components/report/designer/ReportDesignerRightPanel.tsx b/frontend/components/report/designer/ReportDesignerRightPanel.tsx
index 037125ee..bf401680 100644
--- a/frontend/components/report/designer/ReportDesignerRightPanel.tsx
+++ b/frontend/components/report/designer/ReportDesignerRightPanel.tsx
@@ -2502,10 +2502,11 @@ export function ReportDesignerRightPanel() {
                           <Label className="text-xs">너비 (mm)</Label>
                           <Input
                             type="number"
+                            min={1}
                             value={currentPage.width}
                             onChange={(e) =>
                               updatePageSettings(currentPageId, {
-                                width: Number(e.target.value),
+                                width: Math.max(1, Number(e.target.value)),
                               })
                             }
                             className="mt-1"
@@ -2515,10 +2516,11 @@ export function ReportDesignerRightPanel() {
                           <Label className="text-xs">높이 (mm)</Label>
                           <Input
                             type="number"
+                            min={1}
                             value={currentPage.height}
                             onChange={(e) =>
                               updatePageSettings(currentPageId, {
-                                height: Number(e.target.value),
+                                height: Math.max(1, Number(e.target.value)),
                               })
                             }
                             className="mt-1"