diff --git a/userspace/libsinsp/container_engine/docker.h b/userspace/libsinsp/container_engine/docker.h
index c9834b955f..92ed888f43 100644
--- a/userspace/libsinsp/container_engine/docker.h
+++ b/userspace/libsinsp/container_engine/docker.h
@@ -24,6 +24,12 @@ limitations under the License.
 #include <vector>
 #include <atomic>
 
+#if !defined(_WIN32)
+#include <curl/curl.h>
+#include <curl/easy.h>
+#include <curl/multi.h>
+#endif
+
 #include "tbb/concurrent_hash_map.h"
 
 #include "json/json.h"