diff --git a/packages/line/index.d.ts b/packages/line/index.d.ts
index e9ff189b3..78407c7e1 100644
--- a/packages/line/index.d.ts
+++ b/packages/line/index.d.ts
@@ -94,10 +94,10 @@ declare module '@nivo/line' {
 
         theme?: Theme
 
-        axisTop?: AxisProps
-        axisRight?: AxisProps
-        axisBottom?: AxisProps
-        axisLeft?: AxisProps
+        axisTop?: AxisProps | null
+        axisRight?: AxisProps | null
+        axisBottom?: AxisProps | null
+        axisLeft?: AxisProps | null
 
         enableGridX?: boolean
         enableGridY?: boolean
diff --git a/packages/scatterplot/index.d.ts b/packages/scatterplot/index.d.ts
index 269a4c95e..75a228e99 100644
--- a/packages/scatterplot/index.d.ts
+++ b/packages/scatterplot/index.d.ts
@@ -38,10 +38,10 @@ declare module '@nivo/scatterplot' {
 
         margin?: Box
 
-        axisTop?: AxisProps
-        axisRight?: AxisProps
-        axisBottom?: AxisProps
-        axisLeft?: AxisProps
+        axisTop?: AxisProps | null
+        axisRight?: AxisProps | null
+        axisBottom?: AxisProps | null
+        axisLeft?: AxisProps | null
 
         enableGridX?: boolean
         enableGridY?: boolean