diff --git a/src/main.rs b/src/main.rs
index 9306575..451601b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -57,7 +57,7 @@ enum DiskCommands {
     // sequential disk read subcommand
     #[clap(name = "read_seq", about = "Sequential disk read speed test.")]
     ReadSeqTest {
-        #[clap(short = 'f', long, default_value_t = String::from("/tmp/disk-test.tmp"))]
+        #[clap(short = 't', long, default_value_t = String::from("/tmp/disk-test.tmp"))]
         tempfile: String,
         #[clap(short = 's', long, default_value_t = 15)]
         size: u8,
@@ -66,7 +66,7 @@ enum DiskCommands {
     // random disk read subcommand
     #[clap(name = "read_rand", about = "Random 4K disk read speed test.")]
     ReadRandTest {
-        #[clap(short = 'f', long, default_value_t = String::from("/tmp/disk-test.tmp"))]
+        #[clap(short = 't', long, default_value_t = String::from("/tmp/disk-test.tmp"))]
         tempfile: String,
         #[clap(short = 's', long, default_value_t = 15)]
         size: u8,