diff --git a/src/core/operations/ResizeImage.mjs b/src/core/operations/ResizeImage.mjs
index aa5cb24b..59d5b2ac 100644
--- a/src/core/operations/ResizeImage.mjs
+++ b/src/core/operations/ResizeImage.mjs
@@ -32,12 +32,14 @@ class ResizeImage extends Operation {
             {
                 name: "Width",
                 type: "number",
-                value: 100
+                value: 100,
+                min: 1
             },
             {
                 name: "Height",
                 type: "number",
-                value: 100
+                value: 100,
+                min: 1
             },
             {
                 name: "Unit type",