diff --git a/imgui-gfx-renderer/src/lib.rs b/imgui-gfx-renderer/src/lib.rs
index 70a2732..0d7e74e 100644
--- a/imgui-gfx-renderer/src/lib.rs
+++ b/imgui-gfx-renderer/src/lib.rs
@@ -218,8 +218,8 @@ impl<R: Resources> Renderer<R> {
 
             self.bundle.slice.end = self.bundle.slice.start + cmd.elem_count;
             self.bundle.data.scissor = Rect {
-                x: cmd.clip_rect.x.max(0.0).round() as u16,
-                y: cmd.clip_rect.y.max(0.0).round() as u16,
+                x: cmd.clip_rect.x.max(0.0).min(fb_width).round() as u16,
+                y: cmd.clip_rect.y.max(0.0).min(fb_height).round() as u16,
                 w: (cmd.clip_rect.z - cmd.clip_rect.x)
                     .abs()
                     .min(fb_width)
diff --git a/imgui-glium-renderer/src/lib.rs b/imgui-glium-renderer/src/lib.rs
index 7ef9a24..cd560c6 100644
--- a/imgui-glium-renderer/src/lib.rs
+++ b/imgui-glium-renderer/src/lib.rs
@@ -152,15 +152,15 @@ impl Renderer {
                 &DrawParameters {
                     blend: Blend::alpha_blending(),
                     scissor: Some(Rect {
-                        left: cmd.clip_rect.x.max(0.0).round() as u32,
-                        bottom: (fb_height - cmd.clip_rect.w).max(0.0).round() as u32,
+                        left: cmd.clip_rect.x.max(0.0).min(fb_width).round() as u32,
+                        bottom: (fb_height - cmd.clip_rect.w).max(0.0).min(fb_width).round() as u32,
                         width: (cmd.clip_rect.z - cmd.clip_rect.x)
                             .abs()
-                            .max(fb_width)
+                            .min(fb_width)
                             .round() as u32,
                         height: (cmd.clip_rect.w - cmd.clip_rect.y)
                             .abs()
-                            .max(fb_height)
+                            .min(fb_height)
                             .round() as u32,
                     }),
                     ..DrawParameters::default()