diff --git a/Modules/Bar/Calendar/CalendarPanel.qml b/Modules/Bar/Calendar/CalendarPanel.qml
index ba0bbf8e..dddfd8be 100644
--- a/Modules/Bar/Calendar/CalendarPanel.qml
+++ b/Modules/Bar/Calendar/CalendarPanel.qml
@@ -611,8 +611,10 @@ NPanel {
 
                       onClicked: {
                         const dateWithSlashes = `${(modelData.month + 1).toString().padStart(2, '0')}/${modelData.day.toString().padStart(2, '0')}/${modelData.year.toString().substring(2)}`
-                        Quickshell.execDetached(["gnome-calendar", "--date", dateWithSlashes])
-                        root.close()
+                        if (ProgramCheckerService.gnomeCalendarAvailable) {
+                          Quickshell.execDetached(["gnome-calendar", "--date", dateWithSlashes])
+                          root.close()
+                        }
                       }
 
                       onExited: {
diff --git a/Services/ProgramCheckerService.qml b/Services/ProgramCheckerService.qml
index 93189f09..b18ef1ea 100644
--- a/Services/ProgramCheckerService.qml
+++ b/Services/ProgramCheckerService.qml
@@ -24,6 +24,7 @@ Singleton {
   property bool wlsunsetAvailable: false
   property bool app2unitAvailable: false
   property bool codeAvailable: false
+  property bool gnomeCalendarAvailable: false
 
   // Discord client auto-detection
   property var availableDiscordClients: []
@@ -109,7 +110,8 @@ Singleton {
                                             "app2unitAvailable": ["which", "app2unit"],
                                             "gpuScreenRecorderAvailable": ["sh", "-c", "command -v gpu-screen-recorder >/dev/null 2>&1 || (command -v flatpak >/dev/null 2>&1 && flatpak list --app | grep -q 'com.dec05eba.gpu_screen_recorder')"],
                                             "wlsunsetAvailable": ["which", "wlsunset"],
-                                            "codeAvailable": ["which", "code"]
+                                            "codeAvailable": ["which", "code"],
+                                            "gnomeCalendarAvailable": ["which", "gnome-calendar"]
                                           })
 
   // Internal tracking