diff --git a/src/insets/InsetInclude.cpp b/src/insets/InsetInclude.cpp
index a387a4f994..68cf1d24d0 100644
--- a/src/insets/InsetInclude.cpp
+++ b/src/insets/InsetInclude.cpp
@@ -511,8 +511,14 @@ int InsetInclude::latex(odocstream & os, OutputParams const & runparams) const
 		 isLyXFilename(included_file.absFilename())) {
 		//if it's a LyX file and we're inputting or including,
 		//try to load it so we can write the associated latex
-		if (!loadIfNeeded(buffer()))
+		if (!loadIfNeeded(buffer())) {
+			docstring text = bformat(_("Could not load included "
+				"file\n`%1$s'\n"
+				"Please, check whether it actually exists."),
+				included_file.displayName());
+			Alert::warning(_("Missing included file"), text);
 			return false;
+		}
 
 		Buffer * tmp = theBufferList().getBuffer(included_file);
 
diff --git a/status.16x b/status.16x
index 36970b8d17..94e953f276 100644
--- a/status.16x
+++ b/status.16x
@@ -75,6 +75,8 @@ What's new
 
 - Fix broken commits in VCS when message contains quotes (bug 7338).
 
+- Issue a warning when an included file could not be loaded (bug 7343).
+
 
 * DOCUMENTATION AND LOCALIZATION