diff --git a/source/blender/editors/render/render_preview.cc b/source/blender/editors/render/render_preview.cc
index 16e83395401..4f94927533b 100644
--- a/source/blender/editors/render/render_preview.cc
+++ b/source/blender/editors/render/render_preview.cc
@@ -722,7 +722,7 @@ void ED_preview_draw(const bContext *C, void *idp, void *parentp, void *slotp, r
     SpaceProperties *sbuts = CTX_wm_space_properties(C);
     ShaderPreview *sp = static_cast<ShaderPreview *>(WM_jobs_customdata(wm, area));
     rcti newrect;
-    int ok;
+    bool ok;
     int newx = BLI_rcti_size_x(rect);
     int newy = BLI_rcti_size_y(rect);