diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3726497..16ac412 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.7.1 (unreleased)
+
+- Fixed `undefined symbol` error with GCC 8
+
 ## 0.7.0 (2024-04-29)
 
 - Added `halfvec` type
diff --git a/src/halfvec.h b/src/halfvec.h
index d5c56d3..94e9be1 100644
--- a/src/halfvec.h
+++ b/src/halfvec.h
@@ -9,7 +9,7 @@
 /* TODO Move to better place */
 #ifndef DISABLE_DISPATCH
 /* Only enable for more recent compilers to keep build process simple */
-#if defined(__x86_64__) && defined(__GNUC__) && __GNUC__ >= 8
+#if defined(__x86_64__) && defined(__GNUC__) && __GNUC__ >= 9
 #define USE_DISPATCH
 #elif defined(__x86_64__) && defined(__clang_major__) && __clang_major__ >= 7
 #define USE_DISPATCH