diff --git a/libs/video/renderer/glsl/glsl_textures.c b/libs/video/renderer/glsl/glsl_textures.c
index d744b6701..f889802f7 100644
--- a/libs/video/renderer/glsl/glsl_textures.c
+++ b/libs/video/renderer/glsl/glsl_textures.c
@@ -354,7 +354,7 @@ GL_ScrapSubpic (scrap_t *scrap, int width, int height)
 	*((int *) &subpic->tnum) = scrap->tnum;
 	*((int *) &subpic->width) = width;
 	*((int *) &subpic->height) = height;
-	*((float *) &subpic->size) = scrap->size;
+	*((float *) &subpic->size) = 1.0 / scrap->size;
 	return subpic;
 }