diff --git a/configure.in b/configure.in
index d9395fe7e5..b63f83b087 100644
--- a/configure.in
+++ b/configure.in
@@ -5,7 +5,11 @@ AM_CONFIG_HEADER(orconfig.h)
 
 AC_CANONICAL_HOST
 
-CFLAGS="$CFLAGS -Wall -g -O2 -I/usr/kerberos/include"
+CFLAGS="$CFLAGS -Wall -g -O2"
+
+if test -f /etc/redhat-release; then
+    CFLAGS="$CFLAGS -I/usr/kerberos/include"
+fi
 
 AC_ARG_ENABLE(debug,
 [  --enable-debug          compiles with debugging info],