diff --git a/man/waybar-hyprland-workspaces.5.scd b/man/waybar-hyprland-workspaces.5.scd
index 13764752..e975179f 100644
--- a/man/waybar-hyprland-workspaces.5.scd
+++ b/man/waybar-hyprland-workspaces.5.scd
@@ -69,7 +69,7 @@ Additional to workspace name matching, the following *format-icons* can be set.
 		"active": "",
 		"default": ""
 	},
-	"persistent_workspaces": {
+	"persistent-workspaces": {
 		"*": 5, // 5 workspaces by default on every monitor
 		"HDMI-A-1": 3 // but only three on HDMI-A-1
 	}
@@ -88,7 +88,7 @@ Additional to workspace name matching, the following *format-icons* can be set.
 		"active": "",
 		"default": ""
 	},
-	"persistent_workspaces": {
+	"persistent-workspaces": {
 		"*": [ 2,3,4,5 ], // 2-5 on every monitor
 		"HDMI-A-1": [ 1 ] // but only workspace 1 on HDMI-A-1
 	}
diff --git a/src/modules/hyprland/workspaces.cpp b/src/modules/hyprland/workspaces.cpp
index 64c7a9ed..d4b9cf2d 100644
--- a/src/modules/hyprland/workspaces.cpp
+++ b/src/modules/hyprland/workspaces.cpp
@@ -231,8 +231,8 @@ void Workspaces::remove_workspace(std::string name) {
 }
 
 void Workspaces::fill_persistent_workspaces() {
-  if (config_["persistent_workspaces"].isObject()) {
-    const Json::Value persistent_workspaces = config_["persistent_workspaces"];
+  if (config_["persistent-workspaces"].isObject()) {
+    const Json::Value persistent_workspaces = config_["persistent-workspaces"];
     const std::vector<std::string> keys = persistent_workspaces.getMemberNames();
 
     for (const std::string &key : keys) {