diff --git a/Makefile b/Makefile
index 5a0644deb..a32466238 100644
--- a/Makefile
+++ b/Makefile
@@ -49,11 +49,7 @@ test-integration: .gopath
 
 all.cov: .gopath
 	cd $(BASEPATH) && \
-		go list ./... | \
-			while read pkg; do \
-				go test -covermode=count -coverprofile=$$(base64 <<< $$pkg).cov $$pkg; \
-			done
-	echo "mode: count" > all.cov; tail -q -n +2 *.cov >> all.cov
+		./coverage_all.sh all.cov
 
 env:
 	@echo export GOPATH=\"$(GOPATH)\"
diff --git a/coverage_all.sh b/coverage_all.sh
new file mode 100755
index 000000000..552387e41
--- /dev/null
+++ b/coverage_all.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+TARGETFILE="$1"
+
+go list ./... | while read pkg; do
+    go test -covermode=count -coverprofile=$(base64 <<< $pkg).cov $pkg
+done
+
+echo "mode: count" > $TARGETFILE
+tail -q -n +2 *.cov >> $TARGETFILE