diff --git a/cmd/restic/progress.go b/cmd/restic/progress.go
index bb0bcd9fa..2fbd97c6c 100644
--- a/cmd/restic/progress.go
+++ b/cmd/restic/progress.go
@@ -14,12 +14,12 @@ import (
 // for non-interactive terminals
 func calculateProgressInterval() time.Duration {
 	interval := time.Second / 60
-	fps, err := strconv.ParseInt(os.Getenv("RESTIC_PROGRESS_FPS"), 10, 64)
-	if err == nil && fps >= 1 {
+	fps, err := strconv.ParseFloat(os.Getenv("RESTIC_PROGRESS_FPS"), 64)
+	if err == nil && fps > 0 {
 		if fps > 60 {
 			fps = 60
 		}
-		interval = time.Second / time.Duration(fps)
+		interval = time.Duration(float64(time.Second) / fps)
 	} else if !stdoutIsTerminal() {
 		interval = 0
 	}
diff --git a/doc/manual_rest.rst b/doc/manual_rest.rst
index 3e567b359..d8167fb4a 100644
--- a/doc/manual_rest.rst
+++ b/doc/manual_rest.rst
@@ -138,7 +138,8 @@ Subcommands that support showing progress information such as ``backup``,
 ``--quiet`` is set. When running from a non-interactive console progress
 reporting is disabled by default to not fill your logs. For interactive
 and non-interactive consoles the environment variable ``RESTIC_PROGRESS_FPS``
-can be used to control the frequency of progress reporting.
+can be used to control the frequency of progress reporting. Use for example
+``0.016666`` to only update the progress once per minute.
 
 Additionally, on Unix systems if ``restic`` receives a SIGUSR1 signal the
 current progress will be written to the standard output so you can check up