diff --git a/source/ubl-settings-manager.c b/source/ubl-settings-manager.c
index a0746c6..f5cfe91 100644
--- a/source/ubl-settings-manager.c
+++ b/source/ubl-settings-manager.c
@@ -812,13 +812,13 @@ apps *find_apps(int *sizef){
 };
 
 int check_categories(apps app, char *catstocheck){
-    if (!catstocheck || strcmp(catstocheck,"")==0){
+    if (!catstocheck || strcmp(catstocheck,"")==0||strcmp(catstocheck,";")==0){
         char *found=strstr(app.Categories,"X-UBL-SettingsManager");
         char *perfound=strstr(app.Categories,"X-UBL-PersonalSettings");
         char *harfound=strstr(app.Categories,"X-UBL-HardwareSettings");
         char *sysfound=strstr(app.Categories,"X-UBL-SystemSettings");
-        if (found==NULL||perfound!=NULL||harfound!=NULL||sysfound!=NULL) return 0;
-        return 1;
+        if (found!=NULL&&(perfound==NULL&&harfound==NULL&&sysfound==NULL)) return 1;
+        else if (found==NULL)return 0;
     } else
     {
         char *left_cats=catstocheck;