diff --git a/src/ChangeLog b/src/ChangeLog
index a53c589b..cbe19912 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2014-12-11  Tim Ruehsen <tim.ruehsen@gmx.de>
+
+        * Makefile.am: Support older versions of flex
+
 2014-12-05  Tim Ruehsen <tim.ruehsen@gmx.de>
 
 	* Makefile.am: Removed reference to cmpt.c
diff --git a/src/Makefile.am b/src/Makefile.am
index ce830b29..94d2080e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -83,7 +83,7 @@ version.c:  $(wget_SOURCES) ../lib/libgnu.a
 	    | $(ESCAPEQUOTE) >> $@
 
 css.c: $(srcdir)/css.l
-	$(LEX) $(LFLAGS) -o $@ $^
+	$(LEX) $(LFLAGS) -o$@ $^
 
 css_.c: css.c
 	echo '#include "wget.h"' > $@