diff --git a/web/src/components/RealtimeTable/RealtimeTable.jsx b/web/src/components/RealtimeTable/RealtimeTable.jsx
index 539e4b3..dc373f3 100644
--- a/web/src/components/RealtimeTable/RealtimeTable.jsx
+++ b/web/src/components/RealtimeTable/RealtimeTable.jsx
@@ -20,6 +20,7 @@ import { BASE_TABLE_CONFIG, TABLE_ROW_HEIGHT, getTableBodyCellProps, getTablePap
 import { useRealtimeActions, useVspOptions } from './contexts/RealtimeContext';
 import { useColumnSettings } from './hooks/useColumnSettings';
 import { useHeaderPortal } from './hooks/useHeaderPortal';
+import { useWheelScrollStep } from './hooks/useWheelScrollStep';
 import { useTableScale } from './hooks/useTableScale';
 import { useBudgetYear } from './hooks/useBudgetYear';
 import { useValidationRules } from './hooks/useValidationRules';
@@ -158,6 +159,7 @@ const RealtimeTable = ({ formType, formId, sheetName, direction, year }) => {
 	} = useColumnSettings(`${formId}_${formType}_${sheetName}_${direction}`);
 
 	const { headerPortalRef, containerRef } = useHeaderPortal();
+	useWheelScrollStep(containerRef);
 	const rowVirtualizerRef = useRef(null);
 	const columnVirtualizerRef = useRef(null);
 
diff --git a/web/src/components/RealtimeTable/hooks/useWheelScrollStep.js b/web/src/components/RealtimeTable/hooks/useWheelScrollStep.js
new file mode 100644
index 0000000..39e411c
--- /dev/null
+++ b/web/src/components/RealtimeTable/hooks/useWheelScrollStep.js
@@ -0,0 +1,22 @@
+import { useEffect } from 'react';
+import { canScrollBy, getWheelScrollDelta } from '../utils/wheelScroll';
+
+// Внутри полей ввода и выпадающих списков колесо работает как обычно.
+const NATIVE_WHEEL_SELECTOR = 'textarea, select, input, [role="listbox"]';
+
+export const useWheelScrollStep = (containerRef) => {
+	useEffect(() => {
+		const el = containerRef.current;
+		if (!el) return undefined;
+		const onWheel = (event) => {
+			if (event.target instanceof Element && event.target.closest(NATIVE_WHEEL_SELECTOR)) return;
+			const delta = getWheelScrollDelta(event);
+			if (delta === null || !canScrollBy(el, delta)) return;
+			event.preventDefault();
+			el.scrollTop += delta;
+		};
+		// passive: false — иначе preventDefault не работает.
+		el.addEventListener('wheel', onWheel, { passive: false });
+		return () => el.removeEventListener('wheel', onWheel);
+	}, [containerRef]);
+};