diff --git a/nvm.sh b/nvm.sh
index 412e6ebdf1..9f2ae1ac5f 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -243,6 +243,8 @@ if [ -z "${NVM_DIR-}" ]; then
   # shellcheck disable=SC1001
   NVM_DIR="$(nvm_cd ${NVM_CD_FLAGS} "$(dirname "${NVM_SCRIPT_SOURCE:-$0}")" > /dev/null && \pwd)"
   export NVM_DIR
+else
+  export NVM_DIR="${NVM_DIR%/}"
 fi
 unset NVM_SCRIPT_SOURCE 2> /dev/null