diff --git a/R/session/rstudioapi.R b/R/session/rstudioapi.R
index cbd6c49d..60ea4358 100644
--- a/R/session/rstudioapi.R
+++ b/R/session/rstudioapi.R
@@ -230,7 +230,7 @@ viewer <- function(url, height = NULL) {
 }
 
 getVersion <- function() {
-    numeric_version(0)
+    numeric_version("0")
 }
 
 versionInfo <- function() {