diff --git a/v1/internal/file/pipe.go b/v1/internal/file/pipe.go
index 7e16466..a4c1668 100644
--- a/v1/internal/file/pipe.go
+++ b/v1/internal/file/pipe.go
@@ -26,7 +26,7 @@ func Pipe() []string {
 
 			// Ignore empty & commented lines
 			if line != "" && !strings.HasPrefix(line, "#") {
-				lines = append(lines, line)
+				lines = append(lines, strings.ToLower(line))
 			}
 		}
 	}
diff --git a/v1/internal/file/read.go b/v1/internal/file/read.go
index 65a066e..92bcd13 100644
--- a/v1/internal/file/read.go
+++ b/v1/internal/file/read.go
@@ -28,7 +28,7 @@ func Read(path string) ([]string, error) {
 
 		// Ignore empty & commented lines
 		if line != "" && !strings.HasPrefix(line, "#") {
-			lines = append(lines, line)
+			lines = append(lines, strings.ToLower(line))
 		}
 	}