diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
index 03a2215..e35ccd2 100644
--- a/.github/workflows/check-bioc.yml
+++ b/.github/workflows/check-bioc.yml
@@ -168,7 +168,7 @@ jobs:
           BiocManager::install('rhdf5', dependencies = TRUE, ask = FALSE, update = FALSE, INSTALL_opts = '--force-biarch')
           BiocManager::install("mzR", dependencies = TRUE, ask = FALSE, update = FALSE)
           BiocManager::install("msdata")
-	  BiocManager::install("RforMassSpectrometry/MsBackendMetaboLights")
+          BiocManager::install("RforMassSpectrometry/MsBackendMetaboLights")
 
           message(paste('****', Sys.time(), 'force installation of selected packages ****'))
           BiocManager::install(c("BiocStyle", "rmarkdown", "magick", "Spectra"))