diff --git a/src/backend/sql/Makefile.am b/src/backend/sql/Makefile.am
index 9dd77ff50c..0886ed40ab 100644
--- a/src/backend/sql/Makefile.am
+++ b/src/backend/sql/Makefile.am
@@ -12,6 +12,7 @@ AM_CFLAGS = \
   -I${top_srcdir}/lib/libc\
   -I${top_srcdir}/src/libqof/qof \
   ${GLIB_CFLAGS} \
+  ${GUILE_INCS} \
   ${GCONF_CFLAGS} \
   ${WARN_CFLAGS}
 
@@ -45,6 +46,7 @@ noinst_HEADERS = \
 
 libgnc_backend_sql_la_LIBADD = \
    ${GLIB_LIBS} \
+   ${GUILE_LIBS} \
    ${GCONF_LIBS} \
    ${top_builddir}/src/engine/libgncmod-engine.la \
    ${top_builddir}/src/libqof/qof/libgnc-qof.la
diff --git a/src/gnc-module/Makefile.am b/src/gnc-module/Makefile.am
index 9397f46743..d1fc34efa0 100644
--- a/src/gnc-module/Makefile.am
+++ b/src/gnc-module/Makefile.am
@@ -4,7 +4,8 @@ AM_CPPFLAGS = \
    -I${top_srcdir}/lib/libc \
    -I${top_srcdir}/src \
    -I${top_srcdir}/src/core-utils \
-   ${GLIB_CFLAGS}
+   ${GLIB_CFLAGS} \
+   ${GUILE_INCS}
 
 lib_LTLIBRARIES = libgnc-module.la
 
@@ -13,7 +14,8 @@ libgnc_module_la_SOURCES = gnc-module.c swig-gnc-module.c
 libgnc_module_la_LIBADD = \
   ../core-utils/libgnc-core-utils.la \
   ${top_builddir}/lib/libc/libc-missing.la \
-  ${GLIB_LIBS}
+  ${GLIB_LIBS} \
+  ${GUILE_LIBS}
 
 gncmoddir = ${GNC_SHAREDIR}/guile-modules/gnucash
 gncmod_DATA = gnc-module.scm
diff --git a/src/html/Makefile.am b/src/html/Makefile.am
index 6fa60e5544..175973567a 100644
--- a/src/html/Makefile.am
+++ b/src/html/Makefile.am
@@ -14,6 +14,7 @@ AM_CPPFLAGS = \
   -I${top_srcdir}/lib/libc \
   ${QOF_CFLAGS} \
   ${GLIB_CFLAGS} \
+  ${GUILE_INCS} \
   ${GTK_CFLAGS} \
   ${GNOME_CFLAGS} \
   ${GOFFICE_CFLAGS}