diff --git a/.drone.yml b/.drone.yml
index ce4ec98..1bc7eb5 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -21,7 +21,6 @@ steps:
     image: bats/bats
     commands:
       - rm -rf /usr/bin/nc
-      - apk add bash
       - bats ./wait-for.bats
 
 trigger:
@@ -227,6 +226,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: bd88ea52d53fb53375b5a4e4e905f2b7e76760ec88fe81d4a0df93319ad635e4
+hmac: dcda7aed778df0aa478080900afef24612002100c54286b04d82fc22dc534e07
 
 ...
diff --git a/wait-for b/wait-for
index ea33cff..49291e3 100755
--- a/wait-for
+++ b/wait-for
@@ -86,7 +86,7 @@ if [ -x "$(command -v bash)" ]; then
   HAS_BASH=1
 fi
 
-if [ "$HAS_NC" != 1 ] || [ "$HAS_BASH" != 1 ]; then
+if [ "$HAS_NC" != 1 ] && [ "$HAS_BASH" != 1 ]; then
   echoerr "error: netcat or bash is required for wait-for to run"
   exit 1
 fi