diff --git a/hooks/pre-commit b/hooks/pre-commit
index e5cc63270..eec74c355 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -1,5 +1,7 @@
 #!/bin/sh
-if [[ $OSTYPE == darwin* ]]
+
+if [ $OSTYPE == darwin* ]
+then
 export PATH=$PATH:$(brew --prefix)/opt/llvm/bin:
 fi