diff --git a/gitweb/Makefile b/gitweb/Makefile
index 16a2ef2d1e..d5748e9359 100644
--- a/gitweb/Makefile
+++ b/gitweb/Makefile
@@ -115,9 +115,10 @@ $(MAK_DIR_GITWEB)gitweb.cgi: $(MAK_DIR_GITWEB)gitweb.perl
 	$(MAK_DIR_GITWEB)generate-gitweb-cgi.sh $(MAK_DIR_GITWEB)/GITWEB-BUILD-OPTIONS ./GIT-VERSION-FILE $< $@+ && \
 	mv $@+ $@
 
+$(MAK_DIR_GITWEB)static/gitweb.js: $(MAK_DIR_GITWEB)generate-gitweb-js.sh
 $(MAK_DIR_GITWEB)static/gitweb.js: $(addprefix $(MAK_DIR_GITWEB),$(GITWEB_JSLIB_FILES))
 	$(QUIET_GEN)$(RM) $@ $@+ && \
-	cat $^ >$@+ && \
+	$(MAK_DIR_GITWEB)generate-gitweb-js.sh $@+ $^ && \
 	mv $@+ $@
 
 ### Installation rules
diff --git a/gitweb/generate-gitweb-js.sh b/gitweb/generate-gitweb-js.sh
new file mode 100755
index 0000000000..01bb22b04b
--- /dev/null
+++ b/gitweb/generate-gitweb-js.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+if test "$#" -lt 2
+then
+	echo >&2 "USAGE: $0 <OUTPUT> <INPUT>..."
+	exit 1
+fi
+
+OUTPUT="$1"
+shift
+
+cat "$@" >"$OUTPUT"