diff --git a/R/graphon_distribution.R b/R/graphon_distribution.R
index 5bf76bb..72fedea 100644
--- a/R/graphon_distribution.R
+++ b/R/graphon_distribution.R
@@ -1,6 +1,6 @@
 # Load the general quantile function, the loading can be improved later
 # using the here package.
-source("R/qinf.R")
+source(here::here("R", "qinf.R"))
 
 
 # 1. Distribution Function -----------------------------------------------------
diff --git a/R/singular_values.R b/R/singular_values.R
index 747ebed..1236052 100644
--- a/R/singular_values.R
+++ b/R/singular_values.R
@@ -1,5 +1,5 @@
 # TODO improve later using the here package
-source("R/graphon_distribution.R")
+source(here::here("R", "graphon_distribution.R"))
 
 # 1. Compute the Matrix Q according to (3.1) -----------------------------------
 #' Compute the matrix **Q**