diff --git a/pm3 b/pm3
index a3df5717b..7c1d0e289 100755
--- a/pm3
+++ b/pm3
@@ -69,7 +69,7 @@ function get_pm3_list_Linux {
         fi
         # WSL2 with usbipd detection - doesn't report same things as WSL1
         if grep -q "proxmark.org" "/sys/class/tty/${DEV#/dev/}/../../../manufacturer" 2>/dev/null; then
-            if !( echo "${PM3LIST[*]}" | grep -q "${DEV}" ); then
+            if echo "${PM3LIST[*]}" | grep -qv "${DEV}"; then
                 PM3LIST+=("$DEV")
                 if [ ${#PM3LIST[*]} -ge "$N" ]; then
                     return
@@ -475,7 +475,8 @@ fi
 
 HOSTOS=$(uname | awk '{print toupper($0)}')
 if [ "$HOSTOS" = "LINUX" ]; then
-    if uname -a|grep -q Microsoft; then
+    # Detect when running under WSL1 (but exclude WSL2)
+    if uname -a | grep -qi Microsoft && uname -a | grep -qvi WSL2; then
         # First try finding it using the PATH environment variable
         PSHEXE=$(command -v powershell.exe 2>/dev/null)