diff --git a/R/miic.export.R b/R/miic.export.R
index 3560024..0c9577c 100755
--- a/R/miic.export.R
+++ b/R/miic.export.R
@@ -30,7 +30,7 @@
 #' )
 #'
 #' # Using igraph
-#' library(igraph)
+#' if(require(igraph)) {
 #' g = miic.export(miic.res, "igraph")
 #' plot(g) # Default visualisation, calls igraph::plot.igraph()
 #'
@@ -41,6 +41,7 @@
 #' # Override some graphical parameters
 #' plot(g, edge.curved = .2)
 #' plot(g, vertex.shape="none", edge.color="gray85", vertex.label.color="gray10")
+#' }
 #'
 #' }
 #'
diff --git a/man/miic.export.Rd b/man/miic.export.Rd
index 136f530..7945853 100644
--- a/man/miic.export.Rd
+++ b/man/miic.export.Rd
@@ -36,7 +36,7 @@ miic.res <- miic(
 )
 
 # Using igraph
-library(igraph)
+if(require(igraph)) {
 g = miic.export(miic.res, "igraph")
 plot(g) # Default visualisation, calls igraph::plot.igraph()
 
@@ -47,6 +47,7 @@ plot(g, layout=l)
 # Override some graphical parameters
 plot(g, edge.curved = .2)
 plot(g, vertex.shape="none", edge.color="gray85", vertex.label.color="gray10")
+}
 
 }