diff --git a/cmd/restic/global_debug.go b/cmd/restic/global_debug.go
index cb7dac10a..bc6a51993 100644
--- a/cmd/restic/global_debug.go
+++ b/cmd/restic/global_debug.go
@@ -15,19 +15,21 @@ import (
 )
 
 var (
-	listenMemoryProfile string
-	memProfilePath      string
-	cpuProfilePath      string
-	traceProfilePath    string
-	insecure            bool
+	listenProfile    string
+	memProfilePath   string
+	cpuProfilePath   string
+	traceProfilePath string
+	blockProfilePath string
+	insecure         bool
 )
 
 func init() {
 	f := cmdRoot.PersistentFlags()
-	f.StringVar(&listenMemoryProfile, "listen-profile", "", "listen on this `address:port` for memory profiling")
+	f.StringVar(&listenProfile, "listen-profile", "", "listen on this `address:port` for memory profiling")
 	f.StringVar(&memProfilePath, "mem-profile", "", "write memory profile to `dir`")
 	f.StringVar(&cpuProfilePath, "cpu-profile", "", "write cpu profile to `dir`")
 	f.StringVar(&traceProfilePath, "trace-profile", "", "write trace to `dir`")
+	f.StringVar(&blockProfilePath, "block-profile", "", "write block profile to `dir`")
 	f.BoolVar(&insecure, "insecure-kdf", false, "use insecure KDF settings")
 }
 
@@ -38,12 +40,12 @@ func (fakeTestingTB) Logf(msg string, args ...interface{}) {
 }
 
 func runDebug() error {
-	if listenMemoryProfile != "" {
-		fmt.Fprintf(os.Stderr, "running memory profile HTTP server on %v\n", listenMemoryProfile)
+	if listenProfile != "" {
+		fmt.Fprintf(os.Stderr, "running profile HTTP server on %v\n", listenProfile)
 		go func() {
-			err := http.ListenAndServe(listenMemoryProfile, nil)
+			err := http.ListenAndServe(listenProfile, nil)
 			if err != nil {
-				fmt.Fprintf(os.Stderr, "memory profile listen failed: %v\n", err)
+				fmt.Fprintf(os.Stderr, "profile HTTP server listen failed: %v\n", err)
 			}
 		}()
 	}
@@ -58,9 +60,12 @@ func runDebug() error {
 	if traceProfilePath != "" {
 		profilesEnabled++
 	}
+	if blockProfilePath != "" {
+		profilesEnabled++
+	}
 
 	if profilesEnabled > 1 {
-		return errors.Fatal("only one profile (memory or CPU) may be activated at the same time")
+		return errors.Fatal("only one profile (memory, CPU, trace, or block) may be activated at the same time")
 	}
 
 	var prof interface {
@@ -73,6 +78,8 @@ func runDebug() error {
 		prof = profile.Start(profile.Quiet, profile.NoShutdownHook, profile.CPUProfile, profile.ProfilePath(cpuProfilePath))
 	} else if traceProfilePath != "" {
 		prof = profile.Start(profile.Quiet, profile.NoShutdownHook, profile.TraceProfile, profile.ProfilePath(traceProfilePath))
+	} else if blockProfilePath != "" {
+		prof = profile.Start(profile.Quiet, profile.NoShutdownHook, profile.BlockProfile, profile.ProfilePath(blockProfilePath))
 	}
 
 	if prof != nil {