diff --git a/plugins/history-substring-search/history-substring-search.plugin.zsh b/plugins/history-substring-search/history-substring-search.plugin.zsh
index 05bdbcd75..d2c749bc3 100644
--- a/plugins/history-substring-search/history-substring-search.plugin.zsh
+++ b/plugins/history-substring-search/history-substring-search.plugin.zsh
@@ -1,5 +1,5 @@
 0=${(%):-%N}
-source ${0:A:h}/zsh-history-substring-search.zsh
+source ${0:A:h}/history-substring-search.zsh
 
 
 # Bind terminal-specific up and down keys