diff --git a/install-php-extensions b/install-php-extensions
index 54b3f0d..fa8e41b 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -534,7 +534,7 @@ buildRequiredPackageLists() {
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libgmp-dev"
 				;;
 			gnupg@alpine)
-				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_volatile gpgme"
+				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent gpgme"
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile gpgme-dev"
 				;;
 			gnupg@debian)