diff --git a/ChangeLog b/ChangeLog
index 82c95d928..38721ea6b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2009-12-22 Holger Vogt
+ * measure.c: bugfix (%f replaced by %e)
+
 2009-12-21 Holger Vogt
  * com_measure2.com, measure.c: add vectors to the meas command.
    inpcom.c: no parsing of ternary function in .control section (not
diff --git a/src/frontend/measure.c b/src/frontend/measure.c
index 2de6c10ca..e2c34c5ce 100644
--- a/src/frontend/measure.c
+++ b/src/frontend/measure.c
@@ -115,7 +115,7 @@ com_meas(wordlist *wl) {
       return;
    }
 
-   sprintf(newvec, "%s = %f\0", outvar, result);
+   sprintf(newvec, "%s = %e\0", outvar, result);
    wl_let = alloc(struct wordlist);
    wl_let->wl_next = NULL;
    wl_let->wl_word = copy(newvec);