diff --git a/app/assets/stylesheets/themes/scinote.scss b/app/assets/stylesheets/themes/scinote.scss
index 715cf1ee5..128b56f70 100644
--- a/app/assets/stylesheets/themes/scinote.scss
+++ b/app/assets/stylesheets/themes/scinote.scss
@@ -2207,3 +2207,7 @@ th.custom-field .modal-tooltiptext {
 .linkedin-signin-button {
   margin: 15px 0;
 }
+
+.tiny-mce-pdf-ready {
+  max-width: 100%;
+}
diff --git a/app/helpers/reports_helper.rb b/app/helpers/reports_helper.rb
index dce65ba6a..a40183a45 100644
--- a/app/helpers/reports_helper.rb
+++ b/app/helpers/reports_helper.rb
@@ -56,7 +56,7 @@ module ReportsHelper
   end
 
   # "Hack" to omit file preview URL because of WKHTML issues
-  def report_image_asset_url(asset)
+  def report_image_asset_url(asset, type = :asset, klass = nil)
     prefix = ''
     if ENV['PAPERCLIP_STORAGE'].present? &&
        ENV['MAIL_SERVER_URL'].present? &&
@@ -68,8 +68,9 @@ module ReportsHelper
        !prefix.include?('https://')
       prefix = "http://#{prefix}"
     end
-    url = prefix + asset.url(:medium, timeout: Constants::URL_LONG_EXPIRE_TIME)
-    image_tag(url)
+    size = type == :tiny_mce_asset ? :large : :medium
+    url = prefix + asset.url(size, timeout: Constants::URL_LONG_EXPIRE_TIME)
+    image_tag(url, class: klass)
   end
 
   # "Hack" to load Glyphicons css directly from the CDN
diff --git a/app/helpers/tiny_mce_helper.rb b/app/helpers/tiny_mce_helper.rb
index 4abb19afe..90ae67c64 100644
--- a/app/helpers/tiny_mce_helper.rb
+++ b/app/helpers/tiny_mce_helper.rb
@@ -17,7 +17,8 @@ module TinyMceHelper
     html
   end
 
-  def generate_image_tag_from_token(text, obj)
+  # @param pdf_export_ready is needed for wicked_pdf in export report action
+  def generate_image_tag_from_token(text, obj, pdf_export_ready = false)
     return unless text
     regex = Constants::TINY_MCE_ASSET_REGEX
     text.gsub(regex) do |el|
@@ -25,9 +26,13 @@ module TinyMceHelper
       img = TinyMceAsset.find_by_id(match[1])
       next unless img && img.team == current_team
       next unless check_image_permissions(obj, img)
-      image_tag img.url,
-                class: 'img-responsive',
-                data: { token: Base62.encode(img.id) }
+      if pdf_export_ready
+        report_image_asset_url(img, :tiny_mce_asset, 'tiny-mce-pdf-ready')
+      else
+        image_tag img.url,
+                  class: 'img-responsive',
+                  data: { token: Base62.encode(img.id) }
+      end
     end
   end
 
diff --git a/app/views/reports/elements/_my_module_result_text_element.html.erb b/app/views/reports/elements/_my_module_result_text_element.html.erb
index 4a748d30b..63b2d27ff 100644
--- a/app/views/reports/elements/_my_module_result_text_element.html.erb
+++ b/app/views/reports/elements/_my_module_result_text_element.html.erb
@@ -23,7 +23,7 @@
   <div class="report-element-body">
     <div class="row">
       <div class="col-xs-12 text-container ql-editor">
-        <%= custom_auto_link(generate_image_tag_from_token(result_text.text, result_text),
+        <%= custom_auto_link(generate_image_tag_from_token(result_text.text, result_text, true),
                              simple_format: false,
                              tags: %w(img)) %>
       </div>
diff --git a/app/views/reports/elements/_my_module_step_element.html.erb b/app/views/reports/elements/_my_module_step_element.html.erb
index 733a87e00..08ba016ed 100644
--- a/app/views/reports/elements/_my_module_step_element.html.erb
+++ b/app/views/reports/elements/_my_module_step_element.html.erb
@@ -30,7 +30,7 @@
     <div class="row">
       <div class="col-xs-12 ql-editor">
         <% if strip_tags(step.description).present? %>
-          <%= custom_auto_link(generate_image_tag_from_token(step.description, step),
+          <%= custom_auto_link(generate_image_tag_from_token(step.description, step, true),
                                simple_format: false,
                                tags: %w(img)) %>
         <% else %>