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-rw-r--r--activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb b/activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb
index 2a787362cf..69eb617d7b 100644
--- a/activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb
+++ b/activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb
@@ -12,7 +12,7 @@ module ActiveStorage
end
def pdftoppm_exists?
- return @pdftoppm_exists unless @pdftoppm_exists.nil?
+ return @pdftoppm_exists if defined?(@pdftoppm_exists)
@pdftoppm_exists = system(pdftoppm_path, "-v", out: File::NULL, err: File::NULL)
end