diff --git a/frontend/src/app/plugins/shape.cljs b/frontend/src/app/plugins/shape.cljs
index cccc32c625..b049788c05 100644
--- a/frontend/src/app/plugins/shape.cljs
+++ b/frontend/src/app/plugins/shape.cljs
@@ -422,7 +422,7 @@
             (fn [self value]
               (let [id (obj/get self "$id")]
                 (cond
-                  (or (not (sm/valid-safe-int? value)) (< value 0))
+                  (or (not (sm/valid-safe-number? value)) (< value 0))
                   (u/not-valid plugin-id :borderRadius value)
 
                   (not (r/check-permission plugin-id "content:write"))
@@ -441,7 +441,7 @@
             (fn [self value]
               (let [id (obj/get self "$id")]
                 (cond
-                  (not (sm/valid-safe-int? value))
+                  (not (sm/valid-safe-number? value))
                   (u/not-valid plugin-id :borderRadiusTopLeft value)
 
                   (not (r/check-permission plugin-id "content:write"))
@@ -460,7 +460,7 @@
             (fn [self value]
               (let [id (obj/get self "$id")]
                 (cond
-                  (not (sm/valid-safe-int? value))
+                  (not (sm/valid-safe-number? value))
                   (u/not-valid plugin-id :borderRadiusTopRight value)
 
                   (not (r/check-permission plugin-id "content:write"))
@@ -479,7 +479,7 @@
             (fn [self value]
               (let [id (obj/get self "$id")]
                 (cond
-                  (not (sm/valid-safe-int? value))
+                  (not (sm/valid-safe-number? value))
                   (u/not-valid plugin-id :borderRadiusBottomRight value)
 
                   (not (r/check-permission plugin-id "content:write"))
@@ -498,7 +498,7 @@
             (fn [self value]
               (let [id (obj/get self "$id")]
                 (cond
-                  (not (sm/valid-safe-int? value))
+                  (not (sm/valid-safe-number? value))
                   (u/not-valid plugin-id :borderRadiusBottomLeft value)
 
                   (not (r/check-permission plugin-id "content:write"))
diff --git a/frontend/test/frontend_tests/plugins/page_active_validation_test.cljs b/frontend/test/frontend_tests/plugins/page_active_validation_test.cljs
index 080e662dae..6f3651e81a 100644
--- a/frontend/test/frontend_tests/plugins/page_active_validation_test.cljs
+++ b/frontend/test/frontend_tests/plugins/page_active_validation_test.cljs
@@ -298,3 +298,21 @@
                  ["grid.leftPadding"       #(set! (.-leftPadding grid) 1.5)]]]
           (t/is (not (throws? thunk)) (str label " must accept a fractional value")))))))
 
+(t/deftest test-border-radius-accepts-fractional-values
+  ;; Regression: the ShapeProxy borderRadius setters validated with
+  ;; `valid-safe-int?`, but the model types `:r1`-`:r4` as `safe-number` (and the
+  ;; radius sidebar input has min 0, not integer-only), so a fractional radius was
+  ;; wrongly rejected. With `throwValidationErrors` on and page2 active, a
+  ;; fractional radius must be accepted (no throw).
+  (thw/with-wasm-mocks*
+    (fn []
+      (let [{:keys [store page2-id ^js rect]} (setup)]
+        (activate-page! store page2-id)
+        (doseq [[label thunk]
+                [["borderRadius"            #(set! (.-borderRadius rect) 7.5)]
+                 ["borderRadiusTopLeft"     #(set! (.-borderRadiusTopLeft rect) 2.5)]
+                 ["borderRadiusTopRight"    #(set! (.-borderRadiusTopRight rect) 2.5)]
+                 ["borderRadiusBottomRight" #(set! (.-borderRadiusBottomRight rect) 2.5)]
+                 ["borderRadiusBottomLeft"  #(set! (.-borderRadiusBottomLeft rect) 2.5)]]]
+          (t/is (not (throws? thunk)) (str label " must accept a fractional value")))))))
+