diff --git a/_publications/paper1.md b/_publications/paper1.md
index 66ed0ce146da1..2ff103a9cb9d5 100644
--- a/_publications/paper1.md
+++ b/_publications/paper1.md
@@ -8,7 +8,7 @@ This compound can sense aliphatic amines in the solid state, solution state, and
 dipole moment of the corresponding amines guides the order of enhancement.'
 date: 2017-05-30
 venue: 'Inorganic Chemistry, ACS'
-paperurl: ''http://anandojha.github.io/files/paper1.pdf'
+paperurl: 'http://anandojha.github.io/files/paper1.pdf'
 citation: 'Prabu Mani, Anupam Anand Ojha, Vennapusa Sivaranjana Reddy, and Sukhendu Mandal. "“Turn-on” fluorescence sensing and discriminative detection of 
 aliphatic amines using a 5-fold-interpenetrated coordination polymer." Inorganic Chemistry 56, no. 12 (2017): 6772-6775.'
 ---