diff --git a/debian/postinst b/debian/postinst
index 364587e..e87f0ef 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -2,31 +2,31 @@
 
 set -e
 
-if [ -f "/usr/lib/arcconf/arcconf-2.03" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.03" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-2.03 203
 fi
-if [ -f "/usr/lib/arcconf/arcconf-2.02" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.02" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-2.02 202
 fi
-if [ -f "/usr/lib/arcconf/arcconf-2.01" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.01" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-2.01 201
 fi
-if [ -f "/usr/lib/arcconf/arcconf-2.00" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.00" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-2.00 200
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.08" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.08" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-1.08 108
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.07" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.07" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-1.07 107
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.06" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.06" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-1.06 106
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.05" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.05" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-1.05 105
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.04" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.04" ]; then
     update-alternatives --install /usr/sbin/arcconf arcconf /usr/lib/arcconf/arcconf-1.04 104
 fi
 
diff --git a/debian/prerm b/debian/prerm
index d21be02..0f9715f 100644
--- a/debian/prerm
+++ b/debian/prerm
@@ -2,31 +2,31 @@
 
 set -e
 
-if [ -f "/usr/lib/arcconf/arcconf-2.03" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.03" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-2.03
 fi
-if [ -f "/usr/lib/arcconf/arcconf-2.02" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.02" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-2.02
 fi
-if [ -f "/usr/lib/arcconf/arcconf-2.01" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.01" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-2.01
 fi
-if [ -f "/usr/lib/arcconf/arcconf-2.00" ]
+if [ -f "/usr/lib/arcconf/arcconf-2.00" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-2.00
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.08" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.08" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-1.08
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.07" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.07" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-1.07
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.06" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.06" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-1.06
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.05" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.05" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-1.05
 fi
-if [ -f "/usr/lib/arcconf/arcconf-1.04" ]
+if [ -f "/usr/lib/arcconf/arcconf-1.04" ]; then
     update-alternatives --remove arcconf /usr/lib/arcconf/arcconf-1.04
 fi