fix build and small bugfix #78

Job	Run time
Build Prometheus for common architectures (0)	6m 30s
fuzzing	0s
golangci-lint	3m 1s
Build Prometheus for common architectures (1)	6m 45s
Build Prometheus for all architectures	0s
Build Prometheus for common architectures (2)	6m 37s
Go tests	23m 40s
Go tests with previous Go version	6m 46s
Mixins tests	2m 21s
UI tests	2m 32s
Go tests on Windows	9m 5s
codeql / Analyze (go)	6m 54s
codeql / Analyze (javascript)	1m 19s
Publish UI on npm Registry	1m 17s
Publish release artefacts	0s
Publish main branch artifacts	0s
	1h 16m 47s

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