diff --git a/bash/.bash_profile b/bash/.bash_profile
index 54926de..d20f58f 100644
--- a/bash/.bash_profile
+++ b/bash/.bash_profile
@@ -1,3 +1,5 @@
+# shellcheck shell=bash
+
 # Workaround to get macOS to use .bashrc
 if [[ "$OSTYPE" == "darwin"* ]] && [ -r "$HOME/.bashrc" ]; then
   # shellcheck source=/dev/null
diff --git a/bash/.bashrc b/bash/.bashrc
index d44a9c7..483d181 100644
--- a/bash/.bashrc
+++ b/bash/.bashrc
@@ -1,3 +1,5 @@
+# shellcheck shell=bash
+
 # If not running interactively, don't do anything
 [[ $- != *i* ]] && return