diff --git a/Dockerfile b/Dockerfile
index b391f01fc23..1be78a002eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -60,7 +60,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_HELPER_VERSION=1.10.0
+ARG MC_HELPER_VERSION=1.11.0
 ARG MC_HELPER_BASE_URL=https://github.com/itzg/mc-image-helper/releases/download/v${MC_HELPER_VERSION}
 RUN curl -fsSL ${MC_HELPER_BASE_URL}/mc-image-helper-${MC_HELPER_VERSION}.tgz \
     | tar -C /usr/share -zxf - \
diff --git a/scripts/start-deployFabric b/scripts/start-deployFabric
index 228bdeaeaef..770b03fba97 100755
--- a/scripts/start-deployFabric
+++ b/scripts/start-deployFabric
@@ -2,27 +2,31 @@
 set -eu
 
 # shellcheck source=start-utils
-. ${SCRIPTS:-/}start-utils
+. "${SCRIPTS:-/}start-utils"
 
 requireVar VANILLA_VERSION
 export TYPE=FABRIC
-export SERVER=fabric-server-${VANILLA_VERSION}.jar
+: "${FABRIC_INSTALLER_VERSION:=${FABRICVERSION:-LATEST}}"
+: "${FABRIC_INSTALLER:=}"
+: "${FABRIC_INSTALLER_URL:=}"
+: "${FABRIC_LOADER_VERSION:=LATEST}"
 
 isDebugging && set -x
 
-if [[ ! -e ${SERVER} ]]; then
+log "Checking Fabric version information."
+if [[ $FABRIC_INSTALLER ]]; then
+  FABRIC_INSTALLER_VERSION=$(echo -n "$FABRIC_INSTALLER" | mc-image-helper hash)
+elif [[ $FABRIC_INSTALLER_URL ]]; then
+  FABRIC_INSTALLER_VERSION=$(echo -n "$FABRIC_INSTALLER_URL" | mc-image-helper hash)
+elif [[ ${FABRIC_INSTALLER_VERSION^^} = LATEST ]]; then
+  FABRIC_INSTALLER_VERSION=$(maven-metadata-release https://maven.fabricmc.net/net/fabricmc/fabric-installer/maven-metadata.xml)
+fi
 
-  : ${FABRIC_INSTALLER:=}
-  : ${FABRIC_INSTALLER_URL:=}
-  : ${FABRIC_LOADER_VERSION:=LATEST}
-  : ${FABRIC_INSTALLER_VERSION:=${FABRICVERSION:-LATEST}}
+export SERVER=fabric-server-${VANILLA_VERSION}-${FABRIC_INSTALLER_VERSION}.jar
 
-  if [[ -z $FABRIC_INSTALLER && -z $FABRIC_INSTALLER_URL ]]; then
-    log "Checking Fabric version information."
-    if [[ ${FABRIC_INSTALLER_VERSION^^} = LATEST ]]; then
-      FABRIC_INSTALLER_VERSION=$(maven-metadata-release https://maven.fabricmc.net/net/fabricmc/fabric-installer/maven-metadata.xml)
-    fi
+if [[ ! -e ${SERVER} ]]; then
 
+  if [[ -z $FABRIC_INSTALLER && -z $FABRIC_INSTALLER_URL ]]; then
     FABRIC_INSTALLER="fabric-installer-${FABRIC_INSTALLER_VERSION}.jar"
     FABRIC_INSTALLER_URL="https://maven.fabricmc.net/net/fabricmc/fabric-installer/${FABRIC_INSTALLER_VERSION}/fabric-installer-${FABRIC_INSTALLER_VERSION}.jar"
   elif [[ -z $FABRIC_INSTALLER ]]; then
@@ -70,4 +74,4 @@ if [[ ! -e ${SERVER} ]]; then
 fi
 
 export FAMILY=FABRIC
-exec ${SCRIPTS:-/}start-setupWorld "$@"
+exec "${SCRIPTS:-/}start-setupWorld" "$@"