diff --git a/debian/patches/09-fix-format-security-warnings.patch b/debian/patches/09-fix-format-security-warnings.patch
new file mode 100644
index 0000000..93e4b87
--- /dev/null
+++ b/debian/patches/09-fix-format-security-warnings.patch
@@ -0,0 +1,29 @@
+From: Carlos Maddela <e7appew@gmail.com>
+Date: Mon, 19 Dec 2016 00:58:24 +1100
+Subject: Fix format security warnings.
+
+Description: Fix format security warnings.
+ They are treated as errors in Standards Version 3.9.8.
+Author: Carlos Maddela <e7appew@gmail.com>
+Origin: vendor
+Forwarded: no
+Last-Update: 2016-12-19
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+---
+ tools/memory.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tools/memory.c b/tools/memory.c
+index f2c0c48..edf32ec 100644
+--- a/tools/memory.c
++++ b/tools/memory.c
+@@ -165,7 +165,7 @@ static void print_ptr(memchunk *mc, int size)
+ static void print_ptrs(char *msg)
+ {  int bucket,i,n=0;
+ 
+-   fprintf(stdout, msg);
++   fprintf(stdout, "%s", msg);
+ 
+    for(bucket=0; bucket<64; bucket++)
+       for(i=0; i<phCnt[bucket]; i++)
diff --git a/debian/patches/series b/debian/patches/series
index 7c48a2d..ed250bf 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -5,3 +5,4 @@
 06-remove-encoding-from-desktop-file.patch
 07-fix-spelling-errors-in-binaries.patch
 08-fix-gnu-make-detection.patch
+09-fix-format-security-warnings.patch