diff --git a/rc/bashrc b/rc/bashrc
index 074ecf72..3d10ec1d 100644
--- a/rc/bashrc
+++ b/rc/bashrc
@@ -809,6 +809,7 @@ erase-mbr() {
 # place for this.
 if hash clang 2>/dev/null; then
     export CC=clang
+    export HOMEBREW_CC=clang
 fi
 
 if hash clang++ 2>/dev/null; then
diff --git a/rc/zshrc b/rc/zshrc
index ba142c6c..62e2335e 100644
--- a/rc/zshrc
+++ b/rc/zshrc
@@ -798,6 +798,7 @@ erase-mbr() {
 # place for this.
 if hash clang 2>/dev/null; then
     export CC=clang
+    export HOMEBREW_CC=clang
 fi
 
 if hash clang++ 2>/dev/null; then