diff --git a/Dockerfile b/Dockerfile
index 653dec5..feb04aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,9 +26,9 @@ RUN set -eu && \
 
 COPY --chmod=755 ./src /run/
 
-ADD --chmod=755 $REPO_OSX_KVM/$VERSION_OSX_KVM/fetch-macOS-v2.py /run/
-ADD --chmod=755 $REPO_OSX_KVM/$VERSION_OSX_KVM/OpenCore/OpenCore.qcow2 /images/
-ADD --chmod=755 \
+COPY --chmod=755 $REPO_OSX_KVM/$VERSION_OSX_KVM/fetch-macOS-v2.py /run/
+COPY --chmod=755 $REPO_OSX_KVM/$VERSION_OSX_KVM/OpenCore/OpenCore.qcow2 /images/
+COPY --chmod=755 \
     $REPO_OSX_KVM/$VERSION_OSX_KVM/OVMF_CODE.fd \
     $REPO_OSX_KVM/$VERSION_OSX_KVM/OVMF_VARS.fd \
     $REPO_OSX_KVM/$VERSION_OSX_KVM/OVMF_VARS-1024x768.fd \
diff --git a/src/boot.sh b/src/boot.sh
index e9367c0..2aae2ec 100644
--- a/src/boot.sh
+++ b/src/boot.sh
@@ -41,6 +41,6 @@ BOOT_OPTS="$BOOT_OPTS -drive if=pflash,format=raw,readonly=on,file=$OVMF/$ROM"
 BOOT_OPTS="$BOOT_OPTS -drive if=pflash,format=raw,file=$OVMF/$VARS"
 # OpenCoreBoot
 BOOT_OPTS="$BOOT_OPTS -device ide-hd,drive=$BOOT_DRIVE_ID,bus=$BOOT_DRIVE_BUS,rotation_rate=1,bootindex=1"
-BOOT_OPTS="$BOOT_OPTS -drive file="$BOOT_DRIVE",id=$BOOT_DRIVE_ID,format=qcow2,cache=writeback,aio=threads,discard=on,detect-zeroes=on,if=none"
+BOOT_OPTS="$BOOT_OPTS -drive file=$BOOT_DRIVE,id=$BOOT_DRIVE_ID,format=qcow2,cache=writeback,aio=threads,discard=on,detect-zeroes=on,if=none"
 
-return 0
\ No newline at end of file
+return 0
diff --git a/src/install.sh b/src/install.sh
index 50c4919..88eeadd 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -11,9 +11,9 @@ BASE_IMG_BUS="ide.4"
 downloadImage() {
   local msg="Downloading $APP $VERSION image..."
   info "$msg" && html "$msg"
-	/run/fetch-macOS-v2.py -s $VERSION
+	/run/fetch-macOS-v2.py -s "$VERSION"
 	dmg2img -i BaseSystem.dmg "$BASE_IMG"
-  echo $VERSION > $STORAGE/$PROCESS.version
+  echo "$VERSION" > "$STORAGE/$PROCESS.version"
   rm -f BaseSystem.dmg
 }
 
@@ -25,7 +25,7 @@ STORED_VERSION=$(cat "$STORAGE/$PROCESS.version")
 
 if [ "$VERSION" != "$STORED_VERSION" ]; then
   info "Different version detected switching base image from $STORED_VERSION to $VERSION"
-  rm -f $BASE_IMG
+  rm -f "$BASE_IMG"
   downloadImage
 fi