diff --git a/ChangeLog b/ChangeLog
index e578f70e4..032334e5b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-12-11  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
+
+	* src/misc/timer.hh (timer::timer): Initialize running...
+
 2009-12-09  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
 
 	* src/Makefile.am (SUBDIRS): Fix missing ".", mistakenly removed
diff --git a/src/misc/timer.hh b/src/misc/timer.hh
index 96b8ed13a..c990dfb45 100644
--- a/src/misc/timer.hh
+++ b/src/misc/timer.hh
@@ -48,6 +48,10 @@ namespace spot
   class timer
   {
   public:
+    timer()
+      : running(false)
+    {
+    }
 
     /// Start a time interval.
     void