diff --git a/tboot-fix.patch b/tboot-fix.patch
new file mode 100644
index 0000000..540b0f0
--- /dev/null
+++ b/tboot-fix.patch
@@ -0,0 +1,16 @@
+Index: tboot-1.7.2/tb_polgen/param.c
+===================================================================
+--- tboot-1.7.2.orig/tb_polgen/param.c
++++ tboot-1.7.2/tb_polgen/param.c
+@@ -409,9 +409,9 @@ bool parse_input_params(int argc, char *
+                     return false;
+                 }
+                 if (strlen(optarg) > sizeof(params->cmdline) - 1) {
+-                    error_msg("Command line length of %lu exceeds %d "
++                    error_msg("Command line length of %u exceeds %d "
+                               "character maximum\n", 
+-                              strlen(optarg), TBOOT_KERNEL_CMDLINE_SIZE-1);
++                              (int)strlen(optarg), TBOOT_KERNEL_CMDLINE_SIZE-1);
+                     return false;
+                 }
+                     
diff --git a/tboot.changes b/tboot.changes
index da97e89..78f1959 100644
--- a/tboot.changes
+++ b/tboot.changes
@@ -17,8 +17,9 @@ Wed Oct 10 15:31:57 UTC 2012 - meissner@suse.com
   Add description for option min_ram in README.
   new tboot cmdline option "min_ram=0xXXXXXX"
   Update test-patches/tpm-test.patch to fit in latest code.
-
 - zlib patch upstreamed.
+- spec file adjustments
+- tboot-fix.patch: fixed printf type mismatch
 
 -------------------------------------------------------------------
 Thu May 31 13:20:57 CEST 2012 - meissner@suse.de
diff --git a/tboot.spec b/tboot.spec
index 799c35c..763e67f 100644
--- a/tboot.spec
+++ b/tboot.spec
@@ -25,6 +25,7 @@ License:        BSD-3-Clause
 Group:          Productivity/Security
 Url:            http://sourceforge.net/projects/tboot/
 Source0:        http://downloads.sourceforge.net/project/tboot/tboot/tboot-%{ver}.tar.gz
+Patch0:         tboot-fix.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  openssl-devel
 BuildRequires:  trousers-devel
@@ -38,6 +39,7 @@ and verified launch of an OS kernel/VMM.
 
 %prep
 %setup -q -n %name-%ver
+%patch0 -p1
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"