diff --git a/script/brew_formula_update b/script/brew_formula_update
index 3027ffe..56b3f93 100755
--- a/script/brew_formula_update
+++ b/script/brew_formula_update
@@ -47,11 +47,11 @@ echo "REVISION: $REVISION"
 export HOMEBREW_NO_INSTALL_FROM_API=1
 
 # Ensure core is tapped
-if test -d "${CORE_TAP_PATH}"; then
+if ! test -d "${CORE_TAP_PATH}"; then
   brew tap homebrew/core
 fi
 
-if test ! -f "${MAS_FORMULA_PATH}"; then
+if ! test -f "${MAS_FORMULA_PATH}"; then
   brew install mas
 fi
 
diff --git a/script/version b/script/version
index 21756bb..5107dd8 100755
--- a/script/version
+++ b/script/version
@@ -12,7 +12,7 @@
 if git describe >/dev/null 2>&1; then
   MAS_VERSION=$(git describe --abbrev=0 --tags 2>/dev/null || true)
 else
-  MAS_VERSION=0.0.0
+  MAS_VERSION=1.0.0
 fi
 MAS_VERSION=${MAS_VERSION#v}
 echo "${MAS_VERSION}"