diff --git a/src/backend/dbi/Makefile.am b/src/backend/dbi/Makefile.am
index 6be8390d8a..1d3a634c96 100644
--- a/src/backend/dbi/Makefile.am
+++ b/src/backend/dbi/Makefile.am
@@ -4,11 +4,13 @@ SUBDIRS = . test
 pkglib_LTLIBRARIES = libgncmod-backend-dbi.la
 
 
+# "${top_srcdir}/src/debug" below is for the splint header
 AM_CFLAGS = \
   -I.. -I../.. \
   -DLOCALE_DIR=\""$(datadir)/locale"\" \
   -I${top_srcdir}/src/backend \
   -I${top_srcdir}/src/backend/sql \
+  -I${top_srcdir}/src/debug \
   -I${top_srcdir}/src/engine \
   -I${top_srcdir}/src/core-utils \
   -I${top_srcdir}/lib/libc \
diff --git a/src/backend/sql/Makefile.am b/src/backend/sql/Makefile.am
index 0886ed40ab..7e7c7f44e3 100644
--- a/src/backend/sql/Makefile.am
+++ b/src/backend/sql/Makefile.am
@@ -3,10 +3,12 @@ SUBDIRS = . test
 # Now a shared library AND a GModule
 lib_LTLIBRARIES = libgnc-backend-sql.la
 
+# "${top_srcdir}/src/debug" below is for the splint header
 AM_CFLAGS = \
   -I.. -I../.. \
   -DLOCALE_DIR=\""$(datadir)/locale"\" \
   -I${top_srcdir}/src/backend \
+  -I${top_srcdir}/src/debug \
   -I${top_srcdir}/src/engine \
   -I${top_srcdir}/src/core-utils\
   -I${top_srcdir}/lib/libc\
diff --git a/splint-defs.h b/src/debug/splint-defs.h
similarity index 100%
rename from splint-defs.h
rename to src/debug/splint-defs.h