diff --git a/kitty/shaders.c b/kitty/shaders.c
index 694de482b..5dcae6dd3 100644
--- a/kitty/shaders.c
+++ b/kitty/shaders.c
@@ -10,6 +10,9 @@
 #include "colors.h"
 #include <stddef.h>
 
+#define BLEND_ONTO_OPAQUE  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);  // blending onto opaque colors
+#define BLEND_PREMULT glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);  // blending of pre-multiplied colors
+
 enum { CELL_PROGRAM, CELL_BG_PROGRAM, CELL_SPECIAL_PROGRAM, CELL_FG_PROGRAM, BORDERS_PROGRAM, GRAPHICS_PROGRAM, GRAPHICS_PREMULT_PROGRAM, GRAPHICS_ALPHA_MASK_PROGRAM, BLIT_PROGRAM, BGIMAGE_PROGRAM, TINT_PROGRAM, NUM_PROGRAMS };
 enum { SPRITE_MAP_UNIT, GRAPHICS_UNIT, BLIT_UNIT, BGIMAGE_UNIT };
 
@@ -443,9 +446,6 @@ draw_graphics(int program, ssize_t vao_idx, ssize_t gvao_idx, ImageRenderData *d
     bind_vertex_array(vao_idx);
 }
 
-#define BLEND_ONTO_OPAQUE  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);  // blending onto opaque colors
-#define BLEND_PREMULT glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);  // blending of pre-multiplied colors
-
 static ImageRenderData*
 load_alpha_mask_texture(size_t width, size_t height, uint8_t *canvas) {
     static ImageRenderData data = {.group_count=1};
@@ -899,6 +899,7 @@ draw_borders(ssize_t vao_idx, unsigned int num_border_rects, BorderRect *rect_bu
         glEnable(GL_BLEND);
         BLEND_ONTO_OPAQUE;
         draw_bg(w);
+        BLEND_ONTO_OPAQUE;
     }
 
     if (num_border_rects) {