diff --git a/scripts/install.sh b/scripts/install.sh
index c35a2c85..47b15189 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -392,6 +392,15 @@ fi
 log_debug "Detected format '$format'"
 
 gpgv_binary="$(command -v gpgv || true)";
+# Fallback to common paths if command -v fails (e.g., in Docker builds where PATH isn't updated)
+if [ ! -x "$gpgv_binary" ]; then
+  for path in /usr/bin/gpgv /bin/gpgv /usr/local/bin/gpgv; do
+    if [ -x "$path" ]; then
+      gpgv_binary="$path"
+      break
+    fi
+  done
+fi
 if [ -x "$gpgv_binary" ]; then
   log_debug "Using $gpgv_binary for signature verification"
 else