diff --git a/CHANGELOG b/CHANGELOG
index 20750631a..4f49aeb64 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -10,6 +10,9 @@ Next
     (joncampbell123).
   - INT 10: Fix "load font" functions to correctly recompute video
     display end for machine=vgaonly and machine=ega. (joncampbell123).
+  - INT 10: Like any other 200-line 16-color graphics mode, 200-line
+    VGA text mode needs to program the AC and VGA palette using the
+    CGA RGBI-type palette, not the EGA 64-color type palette. (joncampbell123).
 
 2024.12.04
   - Arrange memory device allocation so that it is possible to allocate
diff --git a/src/ints/int10_modes.cpp b/src/ints/int10_modes.cpp
index 9b9675739..f2d47e6e9 100644
--- a/src/ints/int10_modes.cpp
+++ b/src/ints/int10_modes.cpp
@@ -2043,6 +2043,11 @@ att_text16:
 					att_data[i+6]=0x00;
 					att_data[i+7]=0x00;
 				}
+			} else if (IS_EGAVGA_ARCH && CurMode->sheight == 200) {
+				for (uint8_t ct=0;ct<8;ct++) {
+					att_data[ct]=ct;
+					att_data[ct+8]=ct+0x10;
+				}
 			} else {
 				for (uint8_t ct=0;ct<8;ct++) {
 					att_data[ct]=ct;
@@ -2190,6 +2195,15 @@ att_text16:
 						}
 					}
 					break;
+				}
+				else if (CurMode->sheight == 200) {
+					/* 200-line text modes need the CGA RGBI type palette, same as 200-line EGA 16-color */
+					for (i=0;i<64;i++) {
+						IO_Write(0x3c9,ega_palette[i][0]);
+						IO_Write(0x3c9,ega_palette[i][1]);
+						IO_Write(0x3c9,ega_palette[i][2]);
+					}
+					break;
 				} //FALLTHROUGH!!!!
 			case M_LIN4: //Added for CAD Software
 dac_text16: