diff --git a/format.patch b/format.patch
index 577d5dc..6744611 100644
--- a/format.patch
+++ b/format.patch
@@ -6,12 +6,12 @@ diff -up gnome-system-monitor-3.1.1/src/load-graph.cpp.format gnome-system-monit
  
  	  new_max = coef10 * (1UL << guint64(base10 * 10));
 -	  procman_debug("bak %lu new_max %lu pow2 %lu coef10 %lu", bak_max, new_max, pow2, coef10);
-+	  procman_debug("bak " G_GUINT64_FORMAT " new_max " G_GUINT64_FORMAT " pow2 " G_GUINT64_FORMAT " coef10 " G_GUINT64_FORMAT, bak_max, new_max, pow2, coef10);
++	  procman_debug("bak %" G_GUINT64_FORMAT " new_max %" G_GUINT64_FORMAT " pow2 %" G_GUINT64_FORMAT " coef10 %" G_GUINT64_FORMAT, bak_max, new_max, pow2, coef10);
  	}
  
  	if (bak_max > new_max) {
 -	  procman_debug("overflow detected: bak=%lu new=%lu", bak_max, new_max);
-+	  procman_debug("overflow detected: bak=" G_GUINT64_FORMAT " new=" G_GUINT64_FORMAT, bak_max, new_max);
++	  procman_debug("overflow detected: bak=%" G_GUINT64_FORMAT " new=%" G_GUINT64_FORMAT, bak_max, new_max);
  	  new_max = bak_max;
  	}
  
@@ -20,7 +20,7 @@ diff -up gnome-system-monitor-3.1.1/src/load-graph.cpp.format gnome-system-monit
  	}
  
 -	procman_debug("rescale dmax = %lu max = %lu new_max = %lu", dmax, g->net.max, new_max);
-+	procman_debug("rescale dmax = " G_GUINT64_FORMAT " max = " G_GUINT64_FORMAT " new_max = " G_GUINT64_FORMAT, dmax, g->net.max, new_max);
++	procman_debug("rescale dmax = %" G_GUINT64_FORMAT " max = %" G_GUINT64_FORMAT " new_max = %" G_GUINT64_FORMAT, dmax, g->net.max, new_max);
  
  	g->net.max = new_max;