diff --git a/src/configure b/src/configure
index 3828180454a..d155327fe3d 100755
--- a/src/configure
+++ b/src/configure
@@ -1067,12 +1067,12 @@ INSTLOPTS="-m 444"
 INSTL_EXE_OPTS="-m 555"
 INSTL_LIB_OPTS="-m 664"
 
-if test "`basename $INSTALL`." = "install."
-then
+case "`basename $INSTALL`" in
+ install|installbsd)
 	INSTLOPTS="-c $INSTLOPTS"
 	INSTL_EXE_OPTS="-c $INSTL_EXE_OPTS"
-	INSTL_LIB_OPTS="-c $INSTL_LIB_OPTS"
-fi
+	INSTL_LIB_OPTS="-c $INSTL_LIB_OPTS";;
+esac
 
 echo "- Using $INSTALL"
 
diff --git a/src/configure.in b/src/configure.in
index ec8d3a00df0..7ea79d6f0bd 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -269,12 +269,12 @@ INSTLOPTS="-m 444"
 INSTL_EXE_OPTS="-m 555"
 INSTL_LIB_OPTS="-m 664"
 
-if test "`basename $INSTALL`." = "install."
-then
+case "`basename $INSTALL`" in
+ install|installbsd)
 	INSTLOPTS="-c $INSTLOPTS"
 	INSTL_EXE_OPTS="-c $INSTL_EXE_OPTS"
-	INSTL_LIB_OPTS="-c $INSTL_LIB_OPTS"
-fi
+	INSTL_LIB_OPTS="-c $INSTL_LIB_OPTS";;
+esac
 
 echo "- Using $INSTALL"
 AC_SUBST(INSTALL)