diff --git a/ChangeLog b/ChangeLog
index 8a55607df7..75cd049b1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-06-02  Siddhesh Poyarekar  <siddhesh@redhat.com>
+
+	* malloc/malloc.c (malloc_info): Fix format specifier for
+	n_mmaps.
+
 2014-06-02  Wilco  <wdijkstr@arm.com>
 
 	* sysdeps/aarch64/fpu/fpu_control.h (_FPU_SETCW): Remove ISB after
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 79b109d344..d8fd8b49e4 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -5148,7 +5148,7 @@ malloc_info (int options, FILE *fp)
   fprintf (fp,
 	   "<total type=\"fast\" count=\"%zu\" size=\"%zu\"/>\n"
 	   "<total type=\"rest\" count=\"%zu\" size=\"%zu\"/>\n"
-	   "<total type=\"mmap\" count=\"%zu\" size=\"%zu\"/>\n"
+	   "<total type=\"mmap\" count=\"%d\" size=\"%zu\"/>\n"
 	   "<system type=\"current\" size=\"%zu\"/>\n"
 	   "<system type=\"max\" size=\"%zu\"/>\n"
 	   "<aspace type=\"total\" size=\"%zu\"/>\n"