diff --git a/internal/config/config_filepaths.go b/internal/config/config_filepaths.go
index 474625494..78df64967 100644
--- a/internal/config/config_filepaths.go
+++ b/internal/config/config_filepaths.go
@@ -414,11 +414,20 @@ func (c *Config) CachePath() string {
 	return fs.Abs(c.options.CachePath)
 }
 
-// CmdCachePath returns a path that CLI commands can use as cache directory.
+// CmdCachePath returns a path that external CLI tools can use as cache directory.
 func (c *Config) CmdCachePath() string {
 	return filepath.Join(c.CachePath(), "cmd")
 }
 
+// CmdLibPath returns the dynamic loader path that external CLI tools should use.
+func (c *Config) CmdLibPath() string {
+	if dir := os.Getenv("LD_LIBRARY_PATH"); dir != "" {
+		return dir
+	}
+
+	return "/usr/local/lib:/usr/lib"
+}
+
 // ThumbCachePath returns the thumbnail storage directory.
 func (c *Config) ThumbCachePath() string {
 	return c.CachePath() + "/thumbnails"
diff --git a/internal/config/config_filepaths_test.go b/internal/config/config_filepaths_test.go
index 4cec49033..bf234a2bf 100644
--- a/internal/config/config_filepaths_test.go
+++ b/internal/config/config_filepaths_test.go
@@ -133,6 +133,15 @@ func TestConfig_CmdCachePath(t *testing.T) {
 	}
 }
 
+func TestConfig_CmdLibPath(t *testing.T) {
+	c := NewConfig(CliTestContext())
+	if dir := c.CmdLibPath(); dir == "" {
+		t.Fatal("cmd lib path is empty")
+	} else if !strings.HasPrefix(dir, "/usr") {
+		t.Fatalf("unexpected cmd lib path: %s", dir)
+	}
+}
+
 func TestConfig_CachePath2(t *testing.T) {
 	c := NewConfig(CliTestContext())
 	assert.Equal(t, "/go/src/github.com/photoprism/photoprism/storage/testdata/cache", c.CachePath())
diff --git a/internal/photoprism/convert_jpeg.go b/internal/photoprism/convert_jpeg.go
index 8b89f53e0..42879d03d 100644
--- a/internal/photoprism/convert_jpeg.go
+++ b/internal/photoprism/convert_jpeg.go
@@ -110,7 +110,10 @@ func (c *Convert) ToJpeg(f *MediaFile, force bool) (*MediaFile, error) {
 		var stderr bytes.Buffer
 		cmd.Stdout = &out
 		cmd.Stderr = &stderr
-		cmd.Env = []string{fmt.Sprintf("HOME=%s", c.conf.CmdCachePath())}
+		cmd.Env = []string{
+			fmt.Sprintf("HOME=%s", c.conf.CmdCachePath()),
+			fmt.Sprintf("LD_LIBRARY_PATH=%s", c.conf.CmdLibPath()),
+		}
 
 		log.Infof("convert: converting %s to %s (%s)", clean.Log(filepath.Base(fileName)), clean.Log(filepath.Base(jpegName)), filepath.Base(cmd.Path))
 
diff --git a/scripts/dist/install-libheif.sh b/scripts/dist/install-libheif.sh
index ffb68c785..a503b50c0 100755
--- a/scripts/dist/install-libheif.sh
+++ b/scripts/dist/install-libheif.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-DESTDIR=$(realpath "${1:-/usr}")
+DESTDIR=$(realpath "${1:-/usr/local}")
 LIBHEIF_VERSION=${2:-v1.13.0}
 SYSTEM_ARCH=$("$(dirname "$0")/arch.sh")
 DESTARCH=${DESTARCH:-$SYSTEM_ARCH}