diff --git a/source/blender/gpencil_modifiers/intern/lineart/lineart_util.c b/source/blender/gpencil_modifiers/intern/lineart/lineart_util.c
index fc96b8dc087..4d136fe0d0e 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_util.c
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_util.c
@@ -213,7 +213,7 @@ void lineart_count_and_print_render_buffer_memory(LineartRenderBuffer *rb)
     count_this++;
     sum_this += LRT_MEMORY_POOL_64MB;
   }
-  printf("LANPR Memory allocated %lu Standalone nodes, total %lu Bytes.\n", count_this, sum_this);
+  printf("LANPR Memory allocated %zu Standalone nodes, total %zu Bytes.\n", count_this, sum_this);
   total += sum_this;
   sum_this = 0;
   count_this = 0;
@@ -222,7 +222,7 @@ void lineart_count_and_print_render_buffer_memory(LineartRenderBuffer *rb)
     count_this++;
     sum_this += reln->element_count * sizeof(LineartEdge);
   }
-  printf("             allocated %lu edge blocks, total %lu Bytes.\n", count_this, sum_this);
+  printf("             allocated %zu edge blocks, total %zu Bytes.\n", count_this, sum_this);
   total += sum_this;
   sum_this = 0;
   count_this = 0;
@@ -231,7 +231,7 @@ void lineart_count_and_print_render_buffer_memory(LineartRenderBuffer *rb)
     count_this++;
     sum_this += reln->element_count * rb->triangle_size;
   }
-  printf("             allocated %lu triangle blocks, total %lu Bytes.\n", count_this, sum_this);
+  printf("             allocated %zu triangle blocks, total %zu Bytes.\n", count_this, sum_this);
   total += sum_this;
   sum_this = 0;
   count_this = 0;