diff --git a/vignettes/FunctionalAndStructuralPipeline.Rmd b/vignettes/FunctionalAndStructuralPipeline.Rmd
index bafc87b..c227117 100644
--- a/vignettes/FunctionalAndStructuralPipeline.Rmd
+++ b/vignettes/FunctionalAndStructuralPipeline.Rmd
@@ -51,7 +51,7 @@ library(janitor)
 We will use some functions in python since the computation time is significantly shorter than in R. Python chunks start with a #In Python. Install and load the necessary package for Python:
 
 ```{r}
-py_install("decoupler", pip =TRUE )
+py_install(c("decoupler","omnipath"), pip =TRUE)
 ```
 
 ```{python}