diff --git a/Dockerfile.test b/Dockerfile.test
index 1aaddbb..8dd588c 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -32,14 +32,10 @@ RUN echo '{"status":"healthy"}' > /usr/share/nginx/html/health
 
 # Configure nginx to listen on port 8000 and set Content-Type for /health
 RUN sed -i 's/listen       80;/listen       8000;/' /etc/nginx/conf.d/default.conf && \
-    cat >> /etc/nginx/conf.d/default.conf << 'EOF'
-
-    # Health check endpoint with proper Content-Type
-    location = /health {
-        default_type application/json;
-        add_header Content-Type application/json;
-    }
-EOF
+    sed -i '/location \/ {/a\
+    location = /health {\
+        default_type application/json;\
+    }' /etc/nginx/conf.d/default.conf
 
 # Expose port 8000 (same as base image)
 EXPOSE 8000