diff --git a/svelte/src/file_viewer/FileViewer.svelte b/svelte/src/file_viewer/FileViewer.svelte
index b811373..4c5db48 100644
--- a/svelte/src/file_viewer/FileViewer.svelte
+++ b/svelte/src/file_viewer/FileViewer.svelte
@@ -324,7 +324,10 @@ const keyboard_event = evt => {
 			}
 			break
 		case " ": // Spacebar pauses / unpauses video and audio playback
-			file_preview.toggle_playback()
+			if (file_preview.toggle_playback()) {
+				evt.preventDefault()
+				evt.stopPropagation()
+			}
 			break
 		case "h":
 			file_preview.seek(-20)
diff --git a/svelte/src/file_viewer/viewers/FilePreview.svelte b/svelte/src/file_viewer/viewers/FilePreview.svelte
index 239adb3..5482ade 100644
--- a/svelte/src/file_viewer/viewers/FilePreview.svelte
+++ b/svelte/src/file_viewer/viewers/FilePreview.svelte
@@ -50,7 +50,9 @@ export const set_file = async file => {
 export const toggle_playback = () => {
 	if (viewer && viewer.toggle_playback) {
 		viewer.toggle_playback()
+		return true
 	}
+	return false
 }
 export const seek = delta => {
 	if (viewer && viewer.seek) {
diff --git a/svelte/src/filesystem/Filesystem.svelte b/svelte/src/filesystem/Filesystem.svelte
index 130f957..7d9ecaf 100644
--- a/svelte/src/filesystem/Filesystem.svelte
+++ b/svelte/src/filesystem/Filesystem.svelte
@@ -83,7 +83,10 @@ const keydown = e => {
 			break;
 		case " ": // Spacebar pauses / unpauses video and audio playback
 			if (file_preview) {
-				file_preview.toggle_playback()
+				if (file_preview.toggle_playback()) {
+					evt.preventDefault()
+					evt.stopPropagation()
+				}
 			}
 			break
 		case "h":
diff --git a/svelte/src/filesystem/viewers/FilePreview.svelte b/svelte/src/filesystem/viewers/FilePreview.svelte
index a02176c..dbac06d 100644
--- a/svelte/src/filesystem/viewers/FilePreview.svelte
+++ b/svelte/src/filesystem/viewers/FilePreview.svelte
@@ -46,7 +46,9 @@ const state_update = async () => {
 export const toggle_playback = () => {
 	if (viewer && viewer.toggle_playback) {
 		viewer.toggle_playback()
+		return true
 	}
+	return false
 }
 export const seek = delta => {
 	if (viewer && viewer.seek) {