diff --git a/misc/tools.func b/misc/tools.func
index 0ddc02f32..4fed42198 100644
--- a/misc/tools.func
+++ b/misc/tools.func
@@ -2788,7 +2788,7 @@ function setup_java() {
 
   # Validate INSTALLED_VERSION is not empty if matched
   local JDK_COUNT=0
-  JDK_COUNT=$(dpkg -l 2>/dev/null | grep -c "temurin-.*-jdk" || echo "0")
+  JDK_COUNT=$(dpkg -l 2>/dev/null | grep -c "temurin-.*-jdk")
   if [[ -z "$INSTALLED_VERSION" && "${JDK_COUNT:-0}" -gt 0 ]]; then
     msg_warn "Found Temurin JDK but cannot determine version"
     INSTALLED_VERSION="0"