diff --git a/ChangeLog b/ChangeLog
index d5bbb6b4c..3a40b9407 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,12 +1,13 @@
 WeeChat ChangeLog
 =================
 Sébastien Helleu <flashcode@flashtux.org>
-v0.3.7-dev, 2012-01-06
+v0.3.7-dev, 2012-01-16
 
 
 Version 0.3.7 (under dev!)
 --------------------------
 
+* core: add library "pthread" in cmake file for link on OpenBSD
 * core: use extended regex in filters (patch #7616)
 * core: save current mouse state in option weechat.look.mouse (set option when
   mouse state is changed with command /mouse)
diff --git a/src/gui/curses/CMakeLists.txt b/src/gui/curses/CMakeLists.txt
index 7f5059556..099bec5ab 100644
--- a/src/gui/curses/CMakeLists.txt
+++ b/src/gui/curses/CMakeLists.txt
@@ -57,6 +57,10 @@ IF(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
   ENDIF(HAVE_BACKTRACE)
 ENDIF(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
 
+IF(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+  LIST(APPEND EXTRA_LIBS "pthread")
+ENDIF(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+
 IF(ICONV_LIBRARY)
   LIST(APPEND EXTRA_LIBS ${ICONV_LIBRARY})
 ENDIF(ICONV_LIBRARY)
diff --git a/src/gui/gtk/CMakeLists.txt b/src/gui/gtk/CMakeLists.txt
index 073ef273a..1e764e1d1 100644
--- a/src/gui/gtk/CMakeLists.txt
+++ b/src/gui/gtk/CMakeLists.txt
@@ -46,6 +46,16 @@ IF(PKG_CONFIG_FOUND)
   ENDIF(GTK2_FOUND)
 ENDIF(PKG_CONFIG_FOUND)
 
+IF(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+  IF(HAVE_BACKTRACE)
+    LIST(APPEND EXTRA_LIBS "execinfo")
+  ENDIF(HAVE_BACKTRACE)
+ENDIF(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+
+IF(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+  LIST(APPEND EXTRA_LIBS "pthread")
+ENDIF(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+
 IF(ICONV_LIBRARY)
   LIST(APPEND EXTRA_LIBS ${ICONV_LIBRARY})
 ENDIF(ICONV_LIBRARY)