diff --git a/src/diff.c b/src/diff.c
index 21fb748381..d86dbf1530 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -3391,6 +3391,11 @@ diff_find_change_inline_diff(
     diff_T	*orig_diff = curtab->tp_first_diff;
     curtab->tp_first_diff = NULL;
 
+    // diff_read() also uses curtab->tp_diffbuf to determine what's an active
+    // buffer
+    buf_T	*(orig_diffbuf[DB_COUNT]);
+    memcpy(orig_diffbuf, curtab->tp_diffbuf, sizeof(orig_diffbuf));
+
     // Buffers to populate mmfile 1/2 that would be passed to xdiff as memory
     // files. Use a grow array as it is not obvious how much exact space we
     // need.
@@ -3412,7 +3417,12 @@ diff_find_change_inline_diff(
 	    continue; // skip buffer that isn't loaded
 
 	if (dp->df_count[i] == 0)
-	    continue; // skip buffer that don't have any texts in this block
+	{
+	    // skip buffers that don't have any texts in this block so we don't
+	    // end up marking the entire block as modified in multi-buffer diff
+	    curtab->tp_diffbuf[i] = NULL;
+	    continue;
+	}
 
 	if (file1_idx == -1)
 	    file1_idx = i;
@@ -3626,7 +3636,7 @@ diff_find_change_inline_diff(
 	CLEAR_FIELD(change);
 	for (int i = 0; i < DB_COUNT; i++)
 	{
-	    if (new_diff->df_lnum[i] == 0)
+	    if (new_diff->df_lnum[i] <= 0) // should never be < 0. Checking just for safety.
 		continue;
 	    linenr_T diff_lnum = new_diff->df_lnum[i] - 1; // use zero-index
 	    linenr_T diff_lnum_end = diff_lnum + new_diff->df_count[i];
@@ -3675,6 +3685,7 @@ done:
 
     diff_clear(curtab);
     curtab->tp_first_diff = orig_diff;
+    memcpy(curtab->tp_diffbuf, orig_diffbuf, sizeof(orig_diffbuf));
 
     ga_clear(&file1_str);
     ga_clear(&file2_str);
diff --git a/src/testdir/dumps/Test_diff_inline_multibuffer_empty_block_01.dump b/src/testdir/dumps/Test_diff_inline_multibuffer_empty_block_01.dump
new file mode 100644
index 0000000000..fad9aac399
--- /dev/null
+++ b/src/testdir/dumps/Test_diff_inline_multibuffer_empty_block_01.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|1| @10||+1&&| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|1| @7||+1&&| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|1| @8||+1&&| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|1| @7
+| +0#0000e05#a8a8a8255@1|1+0#0000000#ffd7ff255|2+2&#ff404010|3|4|5|6|7|8|9|0+0&#ffd7ff255|a|b|c|d+2&#ff404010|e| +0&#ffd7ff255@2||+1&#ffffff0| +0#0000e05#a8a8a8255@1|1+0#0000000#ffd7ff255|2+2&#ff404010|3|4|5|6|7|-@1|0+0&#ffd7ff255|a|b|c|-+2&#ff404010|e||+1&#ffffff0| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@15||+1#0000000#ffffff0| +0#0000e05#a8a8a8255@1|1+0#0000000#ffd7ff255|?+2&#ff404010@6|9|0+0&#ffd7ff255|a|b|c|d+2&#ff404010|?
+| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|2| @10||+1&&| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|2| @7||+1&&| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|2| @8||+1&&| +0#0000e05#a8a8a8255@1|a+0#0000000#ffffff0|n|c|h|o|r|2| @7
+|~+0#4040ff13&| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|~| @18||+1#0000000&|~+0#4040ff13&| @15||+1#0000000&|~+0#4040ff13&| @16||+1#0000000&|~+0#4040ff13&| @15
+|X+3#0000000&|d|i|f|i|l|e|1| @1|1|,|1| @3|A|l@1| |<+1&&|d|i|f|i|l|e|2| |1|,|1| @1|A|l@1| |<|d|i|f|i|l|e|3| |1|,|1| @2|A|l@1| |<|d|i|f|i|l|e|4| |1|,|1| @1|A|l@1
+|:+0&&> @73
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index dc5dcc9a5e..eee23729a1 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
@@ -2636,6 +2636,22 @@ func Test_diff_inline_multibuffer()
   call StopVimInTerminal(buf)
 endfunc
 
+" Test that when using multi-buffer diff, an empty block would be correctly
+" skipped in the result, without resulting in invalid states or crashes.
+func Test_diff_inline_multibuffer_empty_block()
+  CheckScreendump
+
+  call writefile(['anchor1', '1234567890abcde', 'anchor2'], 'Xdifile1')
+  call writefile(['anchor1', '1234567--0abc-e', 'anchor2'], 'Xdifile2')
+  call writefile(['anchor1', 'anchor2'], 'Xdifile3')
+  call writefile(['anchor1', '1???????90abcd?', 'anchor2'], 'Xdifile4')
+
+  let buf = RunVimInTerminal('-d Xdifile1 Xdifile2 Xdifile3 Xdifile4', {})
+  call VerifyInternal(buf, "Test_diff_inline_multibuffer_empty_block_01", " diffopt+=inline:char")
+
+  call StopVimInTerminal(buf)
+endfunc
+
 func Test_diffget_diffput_linematch()
   CheckScreendump
   call delete('.Xdifile1.swp')
diff --git a/src/version.c b/src/version.c
index a908f1179a..3b3f8ac979 100644
--- a/src/version.c
+++ b/src/version.c
@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1567,
 /**/
     1566,
 /**/