diff --git a/src/vendor/cigraph/src/games/citations.c b/src/vendor/cigraph/src/games/citations.c
index 4c55b237e4..cdb90be950 100644
--- a/src/vendor/cigraph/src/games/citations.c
+++ b/src/vendor/cigraph/src/games/citations.c
@@ -275,7 +275,7 @@ igraph_error_t igraph_cited_type_game(igraph_t *graph, igraph_integer_t nodes,
     }
 
     if (nodes == 0) {
-        igraph_empty(graph, 0, directed);
+        IGRAPH_CHECK(igraph_empty(graph, 0, directed));
         return IGRAPH_SUCCESS;
     }
 
diff --git a/src/vendor/cigraph/src/games/recent_degree.c b/src/vendor/cigraph/src/games/recent_degree.c
index c4d101a8a3..d62086bed3 100644
--- a/src/vendor/cigraph/src/games/recent_degree.c
+++ b/src/vendor/cigraph/src/games/recent_degree.c
@@ -101,8 +101,8 @@ igraph_error_t igraph_recent_degree_game(igraph_t *graph, igraph_integer_t nodes
         IGRAPH_ERRORF("The zero appeal cannot be negative, got %g.", IGRAPH_EINVAL, zero_appeal);
     }
 
-    if (nodes == 0) {
-        igraph_empty(graph, 0, directed);
+    if (no_of_nodes == 0) {
+        IGRAPH_CHECK(igraph_empty(graph, 0, directed));
         return IGRAPH_SUCCESS;
     }
 
@@ -254,10 +254,6 @@ igraph_error_t igraph_recent_degree_aging_game(igraph_t *graph,
     igraph_dqueue_int_t history;
     igraph_bool_t have_outseq = outseq && igraph_vector_int_size(outseq) > 0;
 
-    if (no_of_nodes == 0) {
-        igraph_empty(graph, 0, directed);
-        return IGRAPH_SUCCESS;
-    }
     if (no_of_nodes < 0) {
         IGRAPH_ERRORF("Number of nodes should not be negative, got %" IGRAPH_PRId ".", IGRAPH_EINVAL, no_of_nodes);
     }
@@ -278,6 +274,11 @@ igraph_error_t igraph_recent_degree_aging_game(igraph_t *graph,
         IGRAPH_ERRORF("The zero appeal cannot be negative, got %g.", IGRAPH_EINVAL, zero_appeal);
     }
 
+    if (no_of_nodes == 0) {
+        IGRAPH_CHECK(igraph_empty(graph, 0, directed));
+        return IGRAPH_SUCCESS;
+    }
+
     if (!have_outseq) {
         no_of_neighbors = m;
         IGRAPH_SAFE_MULT(no_of_nodes - 1, no_of_neighbors, &no_of_edges);
diff --git a/src/vendor/igraph_version.h b/src/vendor/igraph_version.h
index 8264e95cb9..950cf617f6 100644
--- a/src/vendor/igraph_version.h
+++ b/src/vendor/igraph_version.h
@@ -28,11 +28,11 @@
 
 __BEGIN_DECLS
 
-#define IGRAPH_VERSION "0.10.13-137-g82d35eebd"
+#define IGRAPH_VERSION "0.10.13-138-g5cd6552bf"
 #define IGRAPH_VERSION_MAJOR 0
 #define IGRAPH_VERSION_MINOR 10
 #define IGRAPH_VERSION_PATCH 13
-#define IGRAPH_VERSION_PRERELEASE "137-g82d35eebd"
+#define IGRAPH_VERSION_PRERELEASE "138-g5cd6552bf"
 
 IGRAPH_EXPORT void igraph_version(const char **version_string,
                                   int *major,