diff --git a/ChangeLog.txt b/ChangeLog.txt
index 2c588fc6b2..2bc7368c6d 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -10,6 +10,12 @@
      * Change, ! Fix, % Optimization, + Addition, - Removal, ; Comment
  */
 
+2015-12-14 14:05 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * contrib/hbnetio/utils/hbnetio/hbnetio.hbp
+  * utils/hbmk2/Makefile
+  * utils/hbmk2/hbmk2.hbp
+    ! fixed build process without MT support: HB_MT=no
+
 2015-12-10 17:24 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * src/rtl/filesys.c
     * added HB_OS2_NONAMEDPIPES macro for OS2 build tests
diff --git a/contrib/hbnetio/utils/hbnetio/hbnetio.hbp b/contrib/hbnetio/utils/hbnetio/hbnetio.hbp
index d1fb8e15a9..45dd3adbd9 100644
--- a/contrib/hbnetio/utils/hbnetio/hbnetio.hbp
+++ b/contrib/hbnetio/utils/hbnetio/hbnetio.hbp
@@ -1,3 +1,5 @@
+{HB_MT='no'}-stop
+
 hbnetio.hbc
 -mt
 
diff --git a/utils/hbmk2/Makefile b/utils/hbmk2/Makefile
index aea5ea4b08..7425015cc7 100644
--- a/utils/hbmk2/Makefile
+++ b/utils/hbmk2/Makefile
@@ -10,7 +10,11 @@ RC_SOURCES := \
 
 PRG_MAIN := hbmk2.prg
 
-LIBS = $(HB_LIBS_MT_RDD)
+ifeq ($(HB_MT),no)
+   LIBS = $(HB_LIBS_ST_RDD)
+else
+   LIBS = $(HB_LIBS_MT_RDD)
+endif
 
 HB_PRGFLAGS += -u -i$(TOP)
 
diff --git a/utils/hbmk2/hbmk2.hbp b/utils/hbmk2/hbmk2.hbp
index a8ebd6264c..31968cde83 100644
--- a/utils/hbmk2/hbmk2.hbp
+++ b/utils/hbmk2/hbmk2.hbp
@@ -5,7 +5,7 @@
 
 -cflag=-Zm200{wce&allmsvc}
 
--mt
+{!HB_MT='no'}-mt
 
 hbmk2.prg