diff --git a/src/main/java/propertyFiles/MimeTypeDetectionByFileExtension.properties b/src/main/java/propertyFiles/MimeTypeDetectionByFileExtension.properties
index 7648138f20e..91191d2b588 100644
--- a/src/main/java/propertyFiles/MimeTypeDetectionByFileExtension.properties
+++ b/src/main/java/propertyFiles/MimeTypeDetectionByFileExtension.properties
@@ -11,6 +11,7 @@ ipynb=application/x-ipynb+json
 json=application/json
 m=text/x-matlab
 mat=application/matlab-mat
+md=text/markdown
 mp3=audio/mp3
 nii=image/nii
 nc=application/netcdf
@@ -28,4 +29,4 @@ shx=application/shx
 smcl=application/x-stata-smcl
 swc=application/x-swc
 xz=application/x-xz
-xlsx=application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
\ No newline at end of file
+xlsx=application/vnd.openxmlformats-officedocument.spreadsheetml.sheet