diff --git a/config/bibliography.tex b/config/bibliography.tex
index e86f3a6..0f7f209 100644
--- a/config/bibliography.tex
+++ b/config/bibliography.tex
@@ -42,6 +42,9 @@
 
 % Remove some fields from bibliography
 \AtEveryBibitem{
+    \ifentrytype{book}{}{
+        \clearfield{isbn}%
+    }
     \clearfield{day}%
     \clearfield{location}%
     \clearfield{month}%