diff --git a/doc/compatibility/board.rst b/doc/compatibility/board.rst
index 0e1e106..50db9ce 100644
--- a/doc/compatibility/board.rst
+++ b/doc/compatibility/board.rst
@@ -49,7 +49,7 @@ Boards
              nexysVideo `Digilent Nexys Video <https://reference.digilentinc.com/reference/programmable-logic/nexys-video/start>`__                                       Artix xc7a200tsbg484          OK        OK
              orangeCrab `Orange Crab <https://github.com/gregdavill/OrangeCrab>`__                                                                                        ECP5 LFE5U-25F-8MG285C        OK (JTAG) OK (DFU)
             pipistrello `Saanlima Pipistrello LX45 <http://pipistrello.saanlima.com/index.php?title=Welcome_to_Pipistrello>`__                                            Spartan6 xc6slx45-csg324      OK        OK
-        qmtechCycloneIV `QMTech CycloneIV Core Board <https://fr.aliexpress.com/item/32949281189.html>`__                                                                 Cyclone IV EP4CE15F23C8N      OK        NT
+        qmtechCycloneIV `QMTech CycloneIV Core Board <https://fr.aliexpress.com/item/32949281189.html>`__                                                                 Cyclone IV EP4CE15F23C8N      OK        OK
          qmtechCycloneV `QMTech CycloneV Core Board <https://fr.aliexpress.com/i/1000006622149.html>`__                                                                   Cyclone V 5CEFA2F23I7         OK        OK
                  runber `SeeedStudio Gowin RUNBER <https://www.seeedstudio.com/Gowin-RUNBER-Development-Board-p-4779.html>`__                                             littleBee GW1N-4              OK        IF/EF
                  runber `Scarab Hardware MiniSpartan6+ <https://www.kickstarter.com/projects/1812459948/minispartan6-a-powerful-fpga-board-and-easy-to-use>`__            Spartan6 xc6slx25-3-ftg256    OK        NT
diff --git a/spiOverJtag/Makefile b/spiOverJtag/Makefile
index 05ccea8..5d8a464 100644
--- a/spiOverJtag/Makefile
+++ b/spiOverJtag/Makefile
@@ -4,7 +4,7 @@ XILINX_PARTS := xc6slx45csg324 xc6slx100fgg484 \
 	xc7s50csga324
 XILINX_BIT_FILES := $(addsuffix .bit,$(addprefix spiOverJtag_, $(XILINX_PARTS)))
 
-ALTERA_PARTS := 10cl025256 ep4ce2217 5ce223 5ce423
+ALTERA_PARTS := 10cl025256 ep4ce2217 ep4ce1523 5ce223 5ce423
 ALTERA_BIT_FILES := $(addsuffix .rbf.gz, $(addprefix spiOverJtag_, $(ALTERA_PARTS)))
 
 BIT_FILES := $(ALTERA_BIT_FILES) $(XILINX_BIT_FILES)
diff --git a/spiOverJtag/build.py b/spiOverJtag/build.py
index 76ef944..40f9c2c 100755
--- a/spiOverJtag/build.py
+++ b/spiOverJtag/build.py
@@ -81,6 +81,7 @@ else:
     full_part = {
         "10cl025256": "10CL025YU256C8G",
         "ep4ce2217" : "EP4CE22F17C6",
+        "ep4ce1523" : "EP4CE15F23C8",
         "5ce223"    : "5CEFA2F23I7",
         "5ce423"    : "5CEBA4F23C8",
         "5cse423"   : "5CSEMA4U23C6",
diff --git a/spiOverJtag/spiOverJtag_ep4ce1523.rbf.gz b/spiOverJtag/spiOverJtag_ep4ce1523.rbf.gz
new file mode 100644
index 0000000..9b15a7a
Binary files /dev/null and b/spiOverJtag/spiOverJtag_ep4ce1523.rbf.gz differ
diff --git a/src/board.hpp b/src/board.hpp
index d793c02..551ebee 100644
--- a/src/board.hpp
+++ b/src/board.hpp
@@ -136,7 +136,7 @@ static std::map <std::string, target_board_t> board_list = {
 	JTAG_BOARD("pipistrello",     "xc6slx45csg324", "ft2232", 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("minispartan6",    "", "ft2232",    0, 0, CABLE_DEFAULT),
 	DFU_BOARD("orangeCrab",       "", "dfu", 0x1209, 0x5af0, 0),
-	JTAG_BOARD("qmtechCycloneIV", "", "",           0, 0, CABLE_DEFAULT),
+	JTAG_BOARD("qmtechCycloneIV", "ep4ce1523", "",  0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("qmtechCycloneV",  "5ce223", "",     0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("runber",          "", "ft232",      0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("tangnano",        "", "ch552_jtag", 0, 0, CABLE_DEFAULT),