diff --git a/README.md b/README.md
index 57ab7c7..1ceceda 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ It requires the following perl modules
   * File::HomeDir
   * File::Basename
   * File::MimeInfo
+  * File::Spec
   * Path::Tiny
   * Getopt::Long
   * URI::Escape
diff --git a/patrix.spec b/patrix.spec
index 862ab15..07905c0 100644
--- a/patrix.spec
+++ b/patrix.spec
@@ -18,6 +18,7 @@ Requires: perl(Getopt::Long)
 Requires: perl(JSON)
 Requires: perl(File::Basename)
 Requires: perl(File::MimeInfo)
+Requires: perl(File::Spec)
 Requires: perl(Path::Tiny)
 Requires: perl(URI::Escape)
 Requires: perl(Term::ReadKey)
diff --git a/scripts/patrix b/scripts/patrix
index a5be894..2f0f2b3 100644
--- a/scripts/patrix
+++ b/scripts/patrix
@@ -10,6 +10,7 @@ use Config::Simple;
 use File::HomeDir;
 use File::MimeInfo;
 use File::Basename;
+use File::Spec;
 use URI::Escape;
 use Path::Tiny;
 use Term::ReadKey;
@@ -241,11 +242,12 @@ sub send_file {
   # Sending a file is a 2 steps operation. First we need to upload the file to the media store
   # And then we post the uri on the room
   debug("Uploading file $opt->{file} to the media store");
+  $opt->{file} = File::Spec->rel2abs($opt->{file});
   my $uri = $opt->{server} . '/_matrix/media/v1/upload?access_token=' . $opt->{access_token} . '&filename=' . basename($opt->{file});
   my $resp = send_request({
     uri          => $uri,
-    content_type => mimetype $opt->{file},
-    content      => path( $opt->{file} )->slurp_raw
+    content_type => mimetype($opt->{file}),
+    content      => path($opt->{file})->slurp_raw
   });
   debug("File upload response is\n" . to_json(from_json($resp->decoded_content), { pretty => 1 }));
   die "Error uploading file\n" unless ($resp->is_success);