diff -uNr htop-3.1.2/linux/LinuxProcessList.c htop-3.1.2.mod/linux/LinuxProcessList.c
--- htop-3.1.2/linux/LinuxProcessList.c	2021-11-30 01:03:21.000000000 +0000
+++ htop-3.1.2.mod/linux/LinuxProcessList.c	2022-04-27 07:36:29.194907488 +0000
@@ -1898,7 +1898,15 @@
 
    LinuxProcessList_updateCPUcount(super);
 
-   FILE* file = fopen(PROCSTATFILE, "r");
+   FILE* file;
+
+   /* Read the actual procstat file only if we're rooted */
+   if (getuid() == 0){
+      file = fopen("/proc/stat", "r");
+   } else {
+      file = fopen(PROCSTATFILE, "r");
+   }
+
    if (!file)
       CRT_fatalError("Cannot open " PROCSTATFILE);