diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index 58124f4a8..46c23c68d 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -201,6 +201,8 @@ Other Changes:
   flags of last submitted item. (#9127)
 - Log/Capture: fixed erroneously injecting extra carriage returns in output
   buffer when ItemSpacing.y > FramePadding.y + 1.
+- Misc: fixed build on ARM64/ARM64EC targets trying to use SSE/immintrin.h.
+  (#9209, #5943, #4091) [@navvyswethgraphics]
 - Images:
   - Added style.ImageRounding, ImGuiStyleVar_ImageRounding to configure
     rounding of Image() widgets. (#2942, #845)
diff --git a/imgui_internal.h b/imgui_internal.h
index 9220149a0..7dbe9784e 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -60,7 +60,7 @@ Index of this file:
 #include <limits.h>     // INT_MIN, INT_MAX
 
 // Enable SSE intrinsics if available
-#if (defined __SSE__ || defined __x86_64__ || defined _M_X64 || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1))) && !defined(IMGUI_DISABLE_SSE)
+#if (defined __SSE__ || defined __x86_64__ || defined _M_X64 || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1))) && !defined(IMGUI_DISABLE_SSE) && !defined(_M_ARM64) && !defined(_M_ARM64EC)
 #define IMGUI_ENABLE_SSE
 #include <immintrin.h>
 #if (defined __AVX__ || defined __SSE4_2__)