diff --git a/Makefile.include b/Makefile.include
index 41b5aacb9..cdf074e1c 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -135,7 +135,7 @@ ifndef LD
 endif
 
 ifndef CUSTOM_RULE_LINK
-%.$(TARGET):	%.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a
+%.$(TARGET): %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a
 	$(LD) $(LDFLAGS) $(TARGET_STARTFILES) ${filter-out %.a,$^} ${filter %.a,$^} $(TARGET_LIBFILES) -o $@
 endif