diff --git a/C/init.c b/C/init.c
index 146c54e9a..901dce680 100644
--- a/C/init.c
+++ b/C/init.c
@@ -1264,7 +1264,11 @@ static void
 InitVersion(void)
 {
   Yap_PutValue(Yap_FullLookupAtom("$version_name"),
-	   MkAtomTerm(Yap_LookupAtom(YAP_VERSION)));
+	       MkAtomTerm(Yap_LookupAtom(YAP_VERSION)));
+#if defined MYDDAS_MYSQL || defined MYDDAS_ODBC
+  Yap_PutValue(Yap_FullLookupAtom("$myddas_version_name"),
+	       MkAtomTerm(Yap_LookupAtom(MYDDAS_VERSION)));
+#endif  
 }
 
 
diff --git a/Makefile.in b/Makefile.in
index 45e5b2a84..bbb75088d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -89,6 +89,7 @@ TEXI2PDF=texi2pdf
 CWD=$(PWD)
 #
 VERSION=Yap-5.1.2
+MYDDAS_VERSION=MYDDAS-0.9.1
 #
 
 INTERFACE_HEADERS = $(srcdir)/include/c_interface.h $(srcdir)/include/yap_structs.h $(srcdir)/include/YapInterface.h
@@ -124,8 +125,9 @@ HEADERS = \
 	$(srcdir)/OPTYap/alpha_locks_funcs.h \
 	$(srcdir)/OPTYap/pthread_locks.h \
 	$(srcdir)/H/cut_c.h \
-	$(srcdir)/MYDDAS/myddas_util.h $(srcdir)/MYDDAS/myddas_structs.h \
-	$(srcdir)/MYDDAS/myddas_statistics.h 	 
+	$(srcdir)/MYDDAS/myddas.h $(srcdir)/MYDDAS/myddas_structs.h \
+	$(srcdir)/MYDDAS/myddas_statistics.h \
+	$(srcdir)/MYDDAS/myddas_statistics_structs.h 	 
 
 C_SOURCES= \
 	$(srcdir)/C/absmi.c $(srcdir)/C/adtdefs.c \
@@ -329,7 +331,7 @@ index.o: $(srcdir)/C/index.c
 	$(CC) -c $(CFLAGS) $(srcdir)/C/index.c -o $@
 
 init.o: $(srcdir)/C/init.c
-	$(CC) -c $(CFLAGS) -DYAP_VERSION=\"$(VERSION)\" $(srcdir)/C/init.c -o $@
+	$(CC) -c $(CFLAGS) -DMYDDAS_VERSION=\"$(MYDDAS_VERSION)\" -DYAP_VERSION=\"$(VERSION)\" $(srcdir)/C/init.c -o $@
 
 inlines.o: $(srcdir)/C/inlines.c
 	$(CC) -c $(CFLAGS) $(srcdir)/C/inlines.c -o $@