diff --git a/addons/binding/org.openhab.binding.network/src/main/java/org/openhab/binding/network/internal/utils/NetworkUtils.java b/addons/binding/org.openhab.binding.network/src/main/java/org/openhab/binding/network/internal/utils/NetworkUtils.java
index 6028b1910d1ab..bee510d0ab673 100644
--- a/addons/binding/org.openhab.binding.network/src/main/java/org/openhab/binding/network/internal/utils/NetworkUtils.java
+++ b/addons/binding/org.openhab.binding.network/src/main/java/org/openhab/binding/network/internal/utils/NetworkUtils.java
@@ -200,7 +200,7 @@ public ArpPingUtilEnum determineNativeARPpingMethod(String arpToolPath) {
         if (StringUtils.isBlank(result)) {
             return ArpPingUtilEnum.UNKNOWN_TOOL;
         } else if (result.contains("Thomas Habets")) {
-            if (result.matches("(?s)(.*)w sec(\\s*)Specify a timeout(.*)")) {
+            if (result.matches("(?s)(.*)w sec Specify a timeout(.*)")) {
                 return ArpPingUtilEnum.THOMAS_HABERT_ARPING;
             } else {
                 return ArpPingUtilEnum.THOMAS_HABERT_ARPING_WITHOUT_TIMEOUT;