diff --git a/libasn1fix/Makefile.am b/libasn1fix/Makefile.am
index 65316be..011eb76 100644
--- a/libasn1fix/Makefile.am
+++ b/libasn1fix/Makefile.am
@@ -33,6 +33,7 @@
 
 check_fixer_LDADD = $(noinst_LTLIBRARIES)		\
 	$(top_builddir)/libasn1parser/libasn1parser.la
+check_fixer_CPPFLAGS = -DTOP_SRCDIR=${top_srcdir} $(AM_CPPFLAGS)
 check_fixer_DEPENDENCIES = $(check_fixer_LDADD)
 
 TESTS_ENVIRONMENT= ./check_fixer
diff --git a/libasn1fix/Makefile.in b/libasn1fix/Makefile.in
index 5acf67b..be9ef6e 100644
--- a/libasn1fix/Makefile.in
+++ b/libasn1fix/Makefile.in
@@ -62,7 +62,7 @@
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libasn1fix_la_LDFLAGS) $(LDFLAGS) -o $@
 check_fixer_SOURCES = check_fixer.c
-check_fixer_OBJECTS = check_fixer.$(OBJEXT)
+check_fixer_OBJECTS = check_fixer-check_fixer.$(OBJEXT)
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
@@ -125,6 +125,7 @@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
@@ -235,6 +236,7 @@
 check_fixer_LDADD = $(noinst_LTLIBRARIES)		\
 	$(top_builddir)/libasn1parser/libasn1parser.la
 
+check_fixer_CPPFLAGS = -DTOP_SRCDIR=${top_srcdir} $(AM_CPPFLAGS)
 check_fixer_DEPENDENCIES = $(check_fixer_LDADD)
 TESTS_ENVIRONMENT = ./check_fixer
 TESTS = ${top_srcdir}/tests/*.asn1
@@ -242,7 +244,7 @@
 
 .SUFFIXES:
 .SUFFIXES: .c .lo .o .obj
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -267,9 +269,9 @@
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(am__aclocal_m4_deps):
 
@@ -322,7 +324,7 @@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asn1fix_retrieve.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asn1fix_tags.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asn1fix_value.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/check_fixer.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/check_fixer-check_fixer.Po@am__quote@
 
 .c.o:
 @am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -345,6 +347,20 @@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
 
+check_fixer-check_fixer.o: check_fixer.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(check_fixer_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT check_fixer-check_fixer.o -MD -MP -MF $(DEPDIR)/check_fixer-check_fixer.Tpo -c -o check_fixer-check_fixer.o `test -f 'check_fixer.c' || echo '$(srcdir)/'`check_fixer.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/check_fixer-check_fixer.Tpo $(DEPDIR)/check_fixer-check_fixer.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='check_fixer.c' object='check_fixer-check_fixer.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(check_fixer_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o check_fixer-check_fixer.o `test -f 'check_fixer.c' || echo '$(srcdir)/'`check_fixer.c
+
+check_fixer-check_fixer.obj: check_fixer.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(check_fixer_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT check_fixer-check_fixer.obj -MD -MP -MF $(DEPDIR)/check_fixer-check_fixer.Tpo -c -o check_fixer-check_fixer.obj `if test -f 'check_fixer.c'; then $(CYGPATH_W) 'check_fixer.c'; else $(CYGPATH_W) '$(srcdir)/check_fixer.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/check_fixer-check_fixer.Tpo $(DEPDIR)/check_fixer-check_fixer.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='check_fixer.c' object='check_fixer-check_fixer.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(check_fixer_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o check_fixer-check_fixer.obj `if test -f 'check_fixer.c'; then $(CYGPATH_W) 'check_fixer.c'; else $(CYGPATH_W) '$(srcdir)/check_fixer.c'; fi`
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
diff --git a/libasn1fix/check_fixer.c b/libasn1fix/check_fixer.c
index 3d5793e..86caa6c 100644
--- a/libasn1fix/check_fixer.c
+++ b/libasn1fix/check_fixer.c
@@ -13,6 +13,14 @@
 
 #include "asn1fix.h"
 
+#ifndef TOP_SRCDIR
+#define TOP_SRCDIR_S    ".."
+#else
+#define STRINGIFY_MACRO2(x)  #x
+#define STRINGIFY_MACRO(x)  STRINGIFY_MACRO2(x)
+#define TOP_SRCDIR_S    STRINGIFY_MACRO(TOP_SRCDIR)
+#endif
+
 static int check(const char *fname,
 	enum asn1p_flags parser_flags,
 	enum asn1f_flags fixer_flags);
@@ -182,7 +190,7 @@
 
 	if(r_value == 0) {
 		asn1p_t *std_asn;
-		std_asn = asn1p_parse_file("../skeletons/standard-modules/ASN1C-UsefulInformationObjectClasses.asn1", A1P_NOFLAGS);
+		std_asn = asn1p_parse_file(TOP_SRCDIR_S "/skeletons/standard-modules/ASN1C-UsefulInformationObjectClasses.asn1", A1P_NOFLAGS);
 		if(std_asn) {
 			asn1p_module_t *mod;
 			while((mod = TQ_REMOVE(&(std_asn->modules), mod_next))) {