diff --git a/core/cd_hw/scd.c b/core/cd_hw/scd.c
index 0e3411a..f0a061b 100644
--- a/core/cd_hw/scd.c
+++ b/core/cd_hw/scd.c
@@ -1003,9 +1003,9 @@ static void scd_write_byte(unsigned int address, unsigned int data)
               /* synchronize CDC DMA with SUB-CPU */
               cdc_dma_update(s68k.cycles);
 
-              /* halt CDC DMA to 2M Word-RAM */
+              /* halt CDC DMA to 2M Word-RAM (if still running) */
+              cdc.halted_dma_w = cdc.dma_w;
               cdc.dma_w = 0;
-              cdc.halted_dma_w = word_ram_2M_dma_w;
             }
 
             /* Word-RAM is returned to MAIN-CPU */
@@ -1341,9 +1341,9 @@ static void scd_write_word(unsigned int address, unsigned int data)
               /* synchronize CDC DMA with SUB-CPU */
               cdc_dma_update(s68k.cycles);
 
-              /* halt CDC DMA to 2M Word-RAM */
+              /* halt CDC DMA to 2M Word-RAM (if still running) */
+              cdc.halted_dma_w = cdc.dma_w;
               cdc.dma_w = 0;
-              cdc.halted_dma_w = word_ram_2M_dma_w;
             }
 
             /* Word-RAM is returned to MAIN-CPU */
diff --git a/core/mem68k.c b/core/mem68k.c
index b060040..81e9d80 100644
--- a/core/mem68k.c
+++ b/core/mem68k.c
@@ -763,9 +763,9 @@ void ctrl_io_write_byte(unsigned int address, unsigned int data)
                   /* synchronize CDC DMA with MAIN-CPU */
                   cdc_dma_update((m68k.cycles * SCYCLES_PER_LINE) / MCYCLES_PER_LINE);
 
-                  /* halt CDC DMA to PRG-RAM */
+                  /* halt CDC DMA to PRG-RAM (if still running) */
+                  cdc.halted_dma_w = cdc.dma_w;
                   cdc.dma_w = 0;
-                  cdc.halted_dma_w = prg_ram_dma_w;
                 }
               }
               else
@@ -1092,9 +1092,9 @@ void ctrl_io_write_word(unsigned int address, unsigned int data)
                   /* synchronize CDC DMA with MAIN-CPU */
                   cdc_dma_update((m68k.cycles * SCYCLES_PER_LINE) / MCYCLES_PER_LINE);
 
-                  /* halt CDC DMA to PRG-RAM */
+                  /* halt CDC DMA to PRG-RAM (if still running) */
+                  cdc.halted_dma_w = cdc.dma_w;
                   cdc.dma_w = 0;
-                  cdc.halted_dma_w = prg_ram_dma_w;
                 }
               }
               else