diff --git a/plzip/pthread.diff b/plzip/pthread.diff
new file mode 100644
index 00000000..0ece1f1f
--- /dev/null
+++ b/plzip/pthread.diff
@@ -0,0 +1,13 @@
+diff --git a/lzip.h b/lzip.h
+index ee09d33..a054a06 100644
+--- a/lzip.h
++++ b/lzip.h
+@@ -15,6 +15,8 @@
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
++#include <pthread.h>
++
+ #ifndef LZ_API_VERSION
+ #define LZ_API_VERSION 1
+ #endif