diff --git a/include/functions b/include/functions
index 922bf8a5..3096ae76 100644
--- a/include/functions
+++ b/include/functions
@@ -1085,10 +1085,10 @@
 
     IsContainer() {
         FOUND=0
-        if [ -e /proc/1/cgroups ]; then
-            FIND=$(cat /proc/1/cgroups | grep -i docker)
+        if [ -e /proc/1/cgroup ]; then
+            FIND=$(cat /proc/1/cgroup | grep -i docker)
             if [ $? -eq 0 ]; then
-                LogText "Result: found Docker in cgroups, so we are running in Docker container"
+                LogText "Result: found Docker in control groups (/proc/1/cgroup), so we are running in Docker container"
                 CONTAINER_TYPE="Docker"; FOUND=1
                 EXITCODE=0
             fi