diff --git a/generators/poppler/libokularGenerator_poppler.desktop b/generators/poppler/libokularGenerator_poppler.desktop
index 7500d74b2..107a9291a 100644
--- a/generators/poppler/libokularGenerator_poppler.desktop
+++ b/generators/poppler/libokularGenerator_poppler.desktop
@@ -115,7 +115,7 @@ Comment[x-test]=xxPDF backend for Okular using popplerxx
 Comment[zh_CN]=使用 poppler 的 Okular PDF 格式后端
 Comment[zh_TW]=Okular 使用 poppler 的 PDF 後端
 X-KDE-ServiceTypes=okular/Generator
-MimeType=application/x-pdf;application/pdf;
+MimeType=application/x-pdf;application/pdf;application/x-wwf;
 X-KDE-Library=okularGenerator_poppler
 X-KDE-Priority=1
 X-KDE-okularAPIVersion=1
diff --git a/generators/poppler/okularApplication_pdf.desktop b/generators/poppler/okularApplication_pdf.desktop
index 36715c2e0..bf4273891 100755
--- a/generators/poppler/okularApplication_pdf.desktop
+++ b/generators/poppler/okularApplication_pdf.desktop
@@ -1,5 +1,5 @@
 [Desktop Entry]
-MimeType=application/pdf;application/x-gzpdf;application/x-bzpdf;
+MimeType=application/pdf;application/x-gzpdf;application/x-bzpdf;application/x-wwf;
 Terminal=false
 Name=Okular
 Name[ar]=اوكلار
diff --git a/generators/poppler/okularPoppler.desktop b/generators/poppler/okularPoppler.desktop
index 5c89559fa..a30d3449b 100644
--- a/generators/poppler/okularPoppler.desktop
+++ b/generators/poppler/okularPoppler.desktop
@@ -60,4 +60,4 @@ Name[zh_TW]=文件檢視_Okular
 X-KDE-ServiceTypes=KParts/ReadOnlyPart
 X-KDE-Library=okularpart
 Type=Service
-MimeType=application/x-pdf;application/pdf;application/x-gzpdf;application/x-bzpdf;
+MimeType=application/x-pdf;application/pdf;application/x-gzpdf;application/x-bzpdf;application/x-wwf;