diff --git a/.zshrc b/.zshrc
index 0b8361f..cba1681 100644
--- a/.zshrc
+++ b/.zshrc
@@ -81,7 +81,8 @@
    alias df='df -h'        # Human-readable sizes
    alias free='free -m'    # Show sizes in MB
    alias bc='bc -ql'       # Make bc usable for fast math
-   alias glow='glow -p'    # Glow preview in `less`
+   [ -z "$VIMRUNTIME" ] &&
+      alias glow='glow -p' # force Glow to preview with `less` if not in vim
 
    # Colors
    alias \