diff --git a/makefile.defaults b/makefile.defaults
index 1a7a924790..c1705b935a 100644
--- a/makefile.defaults
+++ b/makefile.defaults
@@ -6,7 +6,7 @@
 
 # Version number; . separates major and minor version part
 # developer versions have minor version numbers divisible by 2
-VERSION=4.85
+VERSION=4.86
 
 
 # NOTES ON CONDITIONAL COMPILATION
@@ -102,7 +102,7 @@ VERSION=4.85
 # Other
 # -----
 
-DEFS=$(DEFINEMACRO)SIGNALS $(DEFINEMACRO)MSG_IN_MEM $(DEFINEMACRO)FXF $(DEFINEMACRO)NDEBUG
+DEFS=$(DEFINEMACRO)SIGNALS $(DEFINEMACRO)MSG_IN_MEM $(DEFINEMACRO)FXF $(DEFINEMACRO)DOMEASURE
 # $(DEFINEMACRO)DOMEASURE
 # $(DEFINEMACRO)TESTHASH
 # $(DEFINEMACRO)NDEBUG