diff --git a/src/floppy/fdd_86f.c b/src/floppy/fdd_86f.c
index 5a5eec398..3fe1428a1 100644
--- a/src/floppy/fdd_86f.c
+++ b/src/floppy/fdd_86f.c
@@ -3225,6 +3225,8 @@ d86f_writeback(int drive)
         free(dev->filebuf);
     }
 #endif
+
+    fflush(dev->fp);
 }
 
 void
diff --git a/src/floppy/fdd_imd.c b/src/floppy/fdd_imd.c
index fd6c59d01..0839c2900 100644
--- a/src/floppy/fdd_imd.c
+++ b/src/floppy/fdd_imd.c
@@ -549,6 +549,8 @@ imd_writeback(int drive)
             }
         }
     }
+
+    fflush(dev->fp);
 }
 
 static uint8_t
diff --git a/src/floppy/fdd_img.c b/src/floppy/fdd_img.c
index 404cbf9fa..62b05a944 100644
--- a/src/floppy/fdd_img.c
+++ b/src/floppy/fdd_img.c
@@ -431,6 +431,8 @@ write_back(int drive)
         if (fwrite(dev->track_data[side], 1, size, dev->fp) != size)
             fatal("IMG write_back(): Error writing data\n");
     }
+
+    fflush(dev->fp);
 }
 
 static uint16_t