diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac9292376..96f3efee6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -142,6 +142,7 @@ cmake_dependent_option(OLIVETTI       "Olivetti M290"
 cmake_dependent_option(OPEN_AT        "OpenAT"                                      ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(PAS16          "Pro Audio Spectrum 16"                       OFF     "DEV_BRANCH"    OFF)
 cmake_dependent_option(SIO_DETECT     "Super I/O Detection Helper"                  ON      "DEV_BRANCH"    OFF)
+cmake_dependent_option(TANDY_ISA      "Tandy PSG ISA clone boards"                  ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(VGAWONDER      "ATI VGA Wonder (ATI-18800)"                  ON      "DEV_BRANCH"    OFF)
 cmake_dependent_option(VNC            "VNC renderer"                                OFF     "DEV_BRANCH"    OFF)
 cmake_dependent_option(XL24           "ATI VGA Wonder XL24 (ATI-28800-6)"           ON      "DEV_BRANCH"    OFF)
diff --git a/src/include/86box/sound.h b/src/include/86box/sound.h
index cbf380901..f7b3bca0a 100644
--- a/src/include/86box/sound.h
+++ b/src/include/86box/sound.h
@@ -103,9 +103,11 @@ extern const device_t pas16_device;
 extern const device_t ps1snd_device;
 
 /* Tandy PSSJ */
-extern const device_t tndy_device;
 extern const device_t pssj_device;
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 extern const device_t pssj_isa_device;
+extern const device_t tndy_device;
+#endif
 
 /* Creative Labs Sound Blaster */
 extern const device_t sb_1_device;
diff --git a/src/sound/CMakeLists.txt b/src/sound/CMakeLists.txt
index e815d7329..8879b0378 100644
--- a/src/sound/CMakeLists.txt
+++ b/src/sound/CMakeLists.txt
@@ -55,5 +55,9 @@ if(GUSMAX)
     target_compile_definitions(snd PRIVATE USE_GUSMAX)
 endif()
 
+if(TANDY_ISA)
+    target_compile_definitions(snd PRIVATE USE_TANDY_ISA)
+endif()
+
 add_subdirectory(resid-fp)
 target_link_libraries(86Box resid-fp)
\ No newline at end of file
diff --git a/src/sound/snd_pssj.c b/src/sound/snd_pssj.c
index 8c93125ea..cd5f274fe 100644
--- a/src/sound/snd_pssj.c
+++ b/src/sound/snd_pssj.c
@@ -215,6 +215,7 @@ void *pssj_1e0_init(const device_t *info)
     return pssj;
 }
 
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 void *pssj_isa_init(const device_t *info)
 {
     pssj_t *pssj = malloc(sizeof(pssj_t));
@@ -230,6 +231,7 @@ void *pssj_isa_init(const device_t *info)
 
     return pssj;
 }
+#endif
 
 void pssj_close(void *p)
 {
@@ -238,6 +240,7 @@ void pssj_close(void *p)
     free(pssj);        
 }
 
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 static const device_config_t pssj_isa_config[] =
 {
     {
@@ -261,6 +264,7 @@ static const device_config_t pssj_isa_config[] =
         "", "", -1
     }
 };
+#endif
 
 const device_t pssj_device =
 {
@@ -290,6 +294,7 @@ const device_t pssj_1e0_device =
     NULL
 };
 
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 const device_t pssj_isa_device =
 {
     "Tandy PSSJ Clone",
@@ -304,3 +309,4 @@ const device_t pssj_isa_device =
     NULL,
     pssj_isa_config
 };
+#endif
diff --git a/src/sound/snd_sn76489.c b/src/sound/snd_sn76489.c
index c2aa2a52d..e04ca7e5e 100644
--- a/src/sound/snd_sn76489.c
+++ b/src/sound/snd_sn76489.c
@@ -224,6 +224,7 @@ void *ncr8496_device_init(const device_t *info)
         return sn76489;
 }
 
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 void *tndy_device_init(const device_t *info)
 {
         sn76489_t *sn76489 = malloc(sizeof(sn76489_t));
@@ -235,6 +236,7 @@ void *tndy_device_init(const device_t *info)
 
         return sn76489;
 }
+#endif
 
 void sn76489_device_close(void *p)
 {
@@ -243,6 +245,7 @@ void sn76489_device_close(void *p)
         free(sn76489);        
 }
 
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 static const device_config_t tndy_config[] =
 {
         {
@@ -266,6 +269,7 @@ static const device_config_t tndy_config[] =
                 "", "", -1
         }
 };
+#endif
 
 const device_t sn76489_device =
 {
@@ -291,6 +295,7 @@ const device_t ncr8496_device =
         NULL
 };
 
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
 const device_t tndy_device =
 {
         "TNDY",
@@ -302,3 +307,4 @@ const device_t tndy_device =
 	NULL, { NULL }, NULL,
         tndy_config
 };
+#endif
diff --git a/src/sound/sound.c b/src/sound/sound.c
index b2b9c4fca..7fbbd4d1c 100644
--- a/src/sound/sound.c
+++ b/src/sound/sound.c
@@ -123,8 +123,10 @@ static const SOUND_CARD sound_cards[] =
 #if defined(DEV_BRANCH) && defined(USE_PAS16)
     { &pas16_device				},
 #endif
-    { &tndy_device				},
+#if defined(DEV_BRANCH) && defined(USE_TANDY_ISA)
     { &pssj_isa_device			},
+    { &tndy_device				},
+#endif
     { &wss_device				},
     { &adlib_mca_device			},
     { &ncr_business_audio_device	},
diff --git a/src/win/Makefile.mingw b/src/win/Makefile.mingw
index 26d7239f3..e1a60d873 100644
--- a/src/win/Makefile.mingw
+++ b/src/win/Makefile.mingw
@@ -63,6 +63,9 @@ ifeq ($(DEV_BUILD), y)
  ifndef VGAWONDER
   VGAWONDER	:= y
  endif
+ ifndef TANDY_ISA
+  TANDY_ISA	:= y
+ endif
  ifndef VNC
   VNC		:= y
  endif
@@ -121,6 +124,9 @@ else
  ifndef VGAWONDER
   VGAWONDER	:= n
  endif
+ ifndef TANDY_ISA
+  TANDY_ISA	:= n
+ endif
  ifndef VNC
   VNC		:= n
  endif
@@ -456,6 +462,10 @@ OPTS		+= -DUSE_SIO_DETECT
 DEVBROBJ	+= sio_detect.o
 endif
 
+ifeq ($(TANDY_ISA), y)
+OPTS		+= -DUSE_TANDY_ISA
+endif
+
 ifeq ($(VGAWONDER), y)
 OPTS		+= -DUSE_VGAWONDER
 endif