diff --git a/nvm.sh b/nvm.sh
index ad4e4d5985..9e157a63bd 100755
--- a/nvm.sh
+++ b/nvm.sh
@@ -12,7 +12,9 @@ fi
 
 # Make zsh glob matching behave same as bash
 # This fixes the "zsh: no matches found" errors
-unsetopt nomatch 2>/dev/null
+if [[ `which unsetopt` ]]; then
+    unsetopt nomatch 2>/dev/null
+fi
 
 # Expand a version using the version cache
 nvm_version()