diff --git a/lib/adapters/ejs.adapter.ts b/lib/adapters/ejs.adapter.ts
index 1f0f48bb9..903a1c135 100644
--- a/lib/adapters/ejs.adapter.ts
+++ b/lib/adapters/ejs.adapter.ts
@@ -61,7 +61,9 @@ export class EjsAdapter implements TemplateAdapter {
       if (this.config.inlineCssEnabled) {
         try {
           mail.data.html = inline(html, this.config.inlineCssOptions);
-        } catch (e) {}
+        } catch (e) {
+          callback(e);
+        }
       } else {
         mail.data.html = html;
       }
diff --git a/lib/adapters/handlebars.adapter.ts b/lib/adapters/handlebars.adapter.ts
index 9c53c036a..0702d93ec 100644
--- a/lib/adapters/handlebars.adapter.ts
+++ b/lib/adapters/handlebars.adapter.ts
@@ -111,7 +111,9 @@ export class HandlebarsAdapter implements TemplateAdapter {
     if (this.config.inlineCssEnabled) {
       try {
         mail.data.html = inline(rendered, this.config.inlineCssOptions);
-      } catch (e) {}
+      } catch (e) {
+        callback(e);
+      }
     } else {
       mail.data.html = rendered;
     }
diff --git a/lib/adapters/pug.adapter.ts b/lib/adapters/pug.adapter.ts
index 552ff88fa..ec41d33ce 100644
--- a/lib/adapters/pug.adapter.ts
+++ b/lib/adapters/pug.adapter.ts
@@ -44,7 +44,9 @@ export class PugAdapter implements TemplateAdapter {
       if (this.config.inlineCssEnabled) {
         try {
           mail.data.html = inline(body, this.config.inlineCssOptions);
-        } catch (e) {}
+        } catch (e) {
+          callback(e);
+        }
       } else {
         mail.data.html = body;
       }