diff --git a/ChangeLog b/ChangeLog
index 72fa3b075..9814a1edc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-06-03  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
+
+	* src/sanity/includes.test (INCDIR): Remove any trailing slash.
+
 2008-06-03  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
 
 	Install interfaces' headers in the spot/iface/ directory, not
diff --git a/src/sanity/includes.test b/src/sanity/includes.test
index 94caac486..cb496e01b 100755
--- a/src/sanity/includes.test
+++ b/src/sanity/includes.test
@@ -1,3 +1,4 @@
+
 #! /bin/sh
 
 # Check that each header is self contained and generates no warning.
@@ -6,6 +7,9 @@ set -e
 
 rm -f failures
 
+# Remove any trailing slash
+INCDIR=${INCDIR%/}
+
 for file in `find "$INCDIR" \( -name "${1-*}.hh" \
                                -o -name "${1-*}.hxx" \) \
                   -a -type f -a -print | sed "s,$INCDIR/,,g"`; do