diff --git a/CHANGES b/CHANGES
index 0080e7c0c..3f8a020ab 100644
--- a/CHANGES
+++ b/CHANGES
@@ -25,12 +25,13 @@ Emulation fixes:
  - GBA Video: Fix Hblank timing
  - GBA Video: Fix mosaic objects drawing past the end (fixes mgba.io/i/1702)
  - GBA Video: Fix disabling OBJWIN in GL renderer (fixes mgba.io/i/1759)
- - GBA Video: Add missing parts of 256-color mode 0 mosaic (fixes mgba.io/1701)
- - GBA Video: Fix double-size OBJ wrapping in GL renderer (fixes mgba.io/1712)
+ - GBA Video: Add missing parts of 256-color mode 0 mosaic (fixes mgba.io/i/1701)
+ - GBA Video: Fix double-size OBJ wrapping in GL renderer (fixes mgba.io/i/1712)
  - SM83: Emulate HALT bug
 Other fixes:
  - 3DS: Fix framelimiter on newer citro3d (fixes mgba.io/i/1771)
  - All: Improve export headers (fixes mgba.io/i/1738)
+ - ARM: Fix disassembling of several S-type instructions (fixes mgba.io/i/1778)
  - ARM Debugger: Clear low bit on breakpoint addresses (fixes mgba.io/i/1764)
  - CMake: Always use devkitPro toolchain when applicable (fixes mgba.io/i/1755)
  - Core: Ensure ELF regions can be written before trying
diff --git a/src/arm/decoder.c b/src/arm/decoder.c
index 02dc09dee..b95ff1126 100644
--- a/src/arm/decoder.c
+++ b/src/arm/decoder.c
@@ -343,15 +343,25 @@ int ARMDisassemble(struct ARMInstructionInfo* info, uint32_t pc, char* buffer, i
 	case ARM_MN_ADD:
 	case ARM_MN_ADC:
 	case ARM_MN_AND:
+	case ARM_MN_ASR:
 	case ARM_MN_BIC:
 	case ARM_MN_EOR:
+	case ARM_MN_LSL:
+	case ARM_MN_LSR:
+	case ARM_MN_MLA:
 	case ARM_MN_MOV:
+	case ARM_MN_MUL:
 	case ARM_MN_MVN:
 	case ARM_MN_ORR:
+	case ARM_MN_ROR:
 	case ARM_MN_RSB:
 	case ARM_MN_RSC:
 	case ARM_MN_SBC:
+	case ARM_MN_SMLAL:
+	case ARM_MN_SMULL:
 	case ARM_MN_SUB:
+	case ARM_MN_UMLAL:
+	case ARM_MN_UMULL:
 		if (info->affectsCPSR && info->execMode == MODE_ARM) {
 			flags = "s";
 		}