diff --git a/lib/gssapi/Makefile.am b/lib/gssapi/Makefile.am
index bf1e4892b..37f2d36e7 100644
--- a/lib/gssapi/Makefile.am
+++ b/lib/gssapi/Makefile.am
@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-INCLUDES += -I$(srcdir)/../krb5
+INCLUDES += -I$(srcdir)/../krb5 $(INCLUDE_krb4)
 
 lib_LTLIBRARIES = libgssapi.la
 libgssapi_la_LDFLAGS = -version-info 2:2:1
diff --git a/lib/gssapi/krb5/Makefile.am b/lib/gssapi/krb5/Makefile.am
index bf1e4892b..37f2d36e7 100644
--- a/lib/gssapi/krb5/Makefile.am
+++ b/lib/gssapi/krb5/Makefile.am
@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-INCLUDES += -I$(srcdir)/../krb5
+INCLUDES += -I$(srcdir)/../krb5 $(INCLUDE_krb4)
 
 lib_LTLIBRARIES = libgssapi.la
 libgssapi_la_LDFLAGS = -version-info 2:2:1
diff --git a/lib/otp/Makefile.am b/lib/otp/Makefile.am
index 1606931e0..9381e6482 100644
--- a/lib/otp/Makefile.am
+++ b/lib/otp/Makefile.am
@@ -2,6 +2,8 @@
 
 include $(top_srcdir)/Makefile.am.common
 
+INCLUDES += $(INCLUDE_krb4)
+
 noinst_PROGRAMS = otptest
 
 otptest_LDADD = libotp.la \