diff --git a/debian/mono-api-check b/debian/mono-api-check
index 47953a262b..31150a1fa7 100755
--- a/debian/mono-api-check
+++ b/debian/mono-api-check
@@ -2,7 +2,7 @@
 
 NAME=$(basename $0)
 MONO_API_INFO="mono-api-info"
-MONO_API_DIFF="mono /usr/lib/mono/4.0/mono-api-diff.exe"
+MONO_API_DIFF="mono /usr/lib/mono/4.5/mono-api-diff.exe"
 
 KEEP=0
 if [ "$1" = "-k" ]; then
diff --git a/debian/mono-devel.install b/debian/mono-devel.install
index c0f57d4c69..f7683aeff7 100644
--- a/debian/mono-devel.install
+++ b/debian/mono-devel.install
@@ -96,7 +96,7 @@ debian/tmp/usr/lib/pkgconfig/mono-lineeditor.pc
 debian/tmp/usr/lib/pkgconfig/mono-options.pc
 debian/tmp/usr/share/locale/*/LC_MESSAGES/mcs.mo
 debian/mono-api-check		/usr/bin/
-debian/mono-api-diff.exe	/usr/lib/mono/4.0/
+debian/mono-api-diff.exe	/usr/lib/mono/4.5/
 debian/tmp/etc/mono/mconfig
 debian/tmp/usr/bin/al2
 debian/tmp/usr/bin/httpcfg