diff --git a/nvm.sh b/nvm.sh
index 43caa24..4906a92 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -1082,9 +1082,9 @@ nvm_ls() {
             \\#${SEARCH_PATTERN}# !d;
           " \
           -e 's#^\([^/]\{1,\}\)/\(.*\)$#\2.\1#;' \
-          -e 's#\(.*\)\.\([^\.]\{1,\}\)$#\2-\1#;' \
-          -e "s#^${NVM_NODE_PREFIX}-##;" \
         | command sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n \
+        | command sed -e 's#\(.*\)\.\([^\.]\{1,\}\)$#\2-\1#;' \
+                      -e "s#^${NVM_NODE_PREFIX}-##;" \
       )"
     fi
   fi
diff --git "a/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions." "b/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions."
index 6b71e1e..9f0eecd 100755
--- "a/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions."	
+++ "b/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions."	
@@ -25,3 +25,26 @@ nvm ls | grep v0.3.3 >/dev/null || die "v0.3.3 not found in: $(nvm ls)"
 nvm ls | grep v0.3.9 >/dev/null || die "v0.3.9 not found in: $(nvm ls)"
 nvm ls | grep v0.12.87 >/dev/null || die "v0.12.87 not found in: $(nvm ls)"
 nvm ls | grep iojs-v0.1.2 >/dev/null || die "iojs-v0.1.2 not found in: $(nvm ls)"
+
+OUTPUT="$(nvm_ls)"
+EXPECTED_OUTPUT="v0.0.1
+v0.0.2
+v0.0.3
+v0.0.9
+v0.0.20
+iojs-v0.1.2
+v0.1.3
+v0.1.4
+v0.2.3
+v0.3.1
+v0.3.3
+v0.3.9
+iojs-v0.10.2
+v0.12.9
+v0.12.87
+v0.20.3"
+if nvm_has_system_node || nvm_has_system_iojs; then
+  EXPECTED_OUTPUT="${EXPECTED_OUTPUT}
+system"
+fi
+[ "${OUTPUT-}" = "${EXPECTED_OUTPUT-}" ] || die "expected >${EXPECTED_OUTPUT}<; got >${OUTPUT}<"