diff --git a/plugins/gitfast/gitfast.plugin.zsh b/plugins/gitfast/gitfast.plugin.zsh
index 7e50cf721..81e51baf7 100644
--- a/plugins/gitfast/gitfast.plugin.zsh
+++ b/plugins/gitfast/gitfast.plugin.zsh
@@ -1,7 +1,10 @@
 dir=$(dirname $0)
 source $dir/../git/git.plugin.zsh
-source $dir/git-prompt.sh
 
-function git_prompt_info() {
-  __git_ps1 "${ZSH_THEME_GIT_PROMPT_PREFIX//\%/%%}%s${ZSH_THEME_GIT_PROMPT_SUFFIX//\%/%%}"
-}
+if [ -z "$GITFAST_USE_OHMYZSH_PROMPT" ]; then
+    source $dir/git-prompt.sh
+
+    function git_prompt_info() {
+      __git_ps1 "${ZSH_THEME_GIT_PROMPT_PREFIX//\%/%%}%s${ZSH_THEME_GIT_PROMPT_SUFFIX//\%/%%}"
+    }
+fi