diff --git a/bin/git-browse b/bin/git-browse
index 4acab8181..830254306 100755
--- a/bin/git-browse
+++ b/bin/git-browse
@@ -40,7 +40,7 @@ case "$OSTYPE" in
         ;;
     linux*)
         # Handle WSL on Windows
-        if uname -a | grep -i -q Microsoft
+        if uname -a | grep -i -q Microsoft && command -v powershell.exe
         then
             powershell.exe -NoProfile start $url
         else
diff --git a/bin/git-browse-ci b/bin/git-browse-ci
index 440c9ce60..1ffbed057 100755
--- a/bin/git-browse-ci
+++ b/bin/git-browse-ci
@@ -51,7 +51,7 @@ case "$OSTYPE" in
         ;;
     linux*)
         # Handle WSL on Windows
-        if uname -a | grep -i -q Microsoft
+        if uname -a | grep -i -q Microsoft && command -v powershell.exe
         then
             powershell.exe -NoProfile start "${ci_url}"
         else