diff --git a/src/routes/api/clipper.js b/src/routes/api/clipper.js
index 13b7a4496..257e06bff 100644
--- a/src/routes/api/clipper.js
+++ b/src/routes/api/clipper.js
@@ -107,7 +107,11 @@ function processContent(images, note, content) {
             const filename = path.basename(src);
 
             if (!dataUrl || !dataUrl.startsWith("data:image")) {
-                log.info("Image could not be recognized as data URL:", dataUrl.substr(0, Math.min(100, dataUrl.length)));
+                const excerpt = dataUrl
+                    ? dataUrl.substr(0, Math.min(100, dataUrl.length))
+                    : "null";
+
+                log.info("Image could not be recognized as data URL: " + excerpt);
                 continue;
             }
 
diff --git a/trilium.iml b/trilium.iml
index 726f82b28..6905b014e 100644
--- a/trilium.iml
+++ b/trilium.iml
@@ -10,9 +10,12 @@
       <excludeFolder url="file://$MODULE_DIR$/dist" />
       <excludeFolder url="file://$MODULE_DIR$/src/public/app-dist" />
       <excludeFolder url="file://$MODULE_DIR$/libraries" />
+      <excludeFolder url="file://$MODULE_DIR$/libraries" />
+      <excludeFolder url="file://$MODULE_DIR$/docs" />
+      <excludeFolder url="file://$MODULE_DIR$/bin/better-sqlite3" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="@types/jquery" level="application" />
   </component>
-</module>
\ No newline at end of file
+</module>