2 files changed, 6 insertions, 8 deletions

diff --git a/src/firejail/util.c b/src/firejail/util.c
index 6db92b554..5738e7cf8 100644
--- a/src/firejail/util.c
+++ b/src/firejail/util.c
@@ -795,12 +795,14 @@ uid_t pid_get_uid(pid_t pid) {
         char buf[PIDS_BUFLEN];
         while (fgets(buf, PIDS_BUFLEN - 1, fp)) {
                 if (strncmp(buf, "Uid:", 4) == 0) {
-                        char *ptr = buf + 5;
+                        char *ptr = buf + 4;
                         while (*ptr != '\0' && (*ptr == ' ' || *ptr == '\t')) {
                                 ptr++;
                         }
-                        if (*ptr == '\0')
-                                break;
+                        if (*ptr == '\0') {
+                                fprintf(stderr, "Error: cannot read /proc file\n");
+                                exit(1);
+                        }
 
                         rv = atoi(ptr);
                         break;                    // break regardless!
@@ -811,10 +813,6 @@ uid_t pid_get_uid(pid_t pid) {
         free(file);
         EUID_USER();                              // grsecurity fix
 
-        if (rv == 0) {
-                fprintf(stderr, "Error: cannot read /proc file\n");
-                exit(1);
-        }
         return rv;
 }
 
diff --git a/src/lib/pid.c b/src/lib/pid.c
index 3c804716d..b73a57409 100644
--- a/src/lib/pid.c
+++ b/src/lib/pid.c
@@ -398,7 +398,7 @@ void pid_read(pid_t mon_pid) {
                                 pids[pid].parent = parent;
                         }
                         else if (strncmp(buf, "Uid:", 4) == 0) {
-                                char *ptr = buf + 5;
+                                char *ptr = buf + 4;
                                 while (*ptr != '\0' && (*ptr == ' ' || *ptr == '\t')) {
                                         ptr++;
                                 }