diff --git a/README.md b/README.md
index 1a22ff2..a7e29cf 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,8 @@ It's a good idea to load the base components before specifying any plugins.
 
 This will create a symlink in the `ZSHDOT` or `HOME` directory. This is needed by prezto.
 
+**Note**: When `zgen prezto` is used with `zgen oh-my-zsh` together, `zgen prezto` should be **put behind** the other. Or prompt theme from prezto may not display as expected.
+
 #### Load prezto plugins
 
     zgen prezto <modulename>
diff --git a/zgen.zsh b/zgen.zsh
index c5c4c1b..48200dd 100755
--- a/zgen.zsh
+++ b/zgen.zsh
@@ -316,11 +316,7 @@ zgen-apply() {
 }
 
 -zgen-get-zsh(){
-    if [[ ${ZGEN_USE_PREZTO} == 1 ]]; then
-        -zgputs "$(-zgen-get-clone-dir "$ZGEN_PREZTO_REPO" "$ZGEN_PREZTO_BRANCH")"
-    else
-        -zgputs "$(-zgen-get-clone-dir "$ZGEN_OH_MY_ZSH_REPO" "$ZGEN_OH_MY_ZSH_BRANCH")"
-    fi
+    -zgputs "$(-zgen-get-clone-dir "$ZGEN_OH_MY_ZSH_REPO" "$ZGEN_OH_MY_ZSH_BRANCH")"
 }
 
 zgen-load() {