diff --git a/src/vector.c b/src/vector.c
index 65bd189..ca44da3 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -34,7 +34,7 @@
 #define CreateStateDatums(dim) palloc(sizeof(Datum) * (dim + 1))
 
 /* target_clones requires glibc */
-#if defined(__x86_64__) && defined(__gnu_linux__) && defined(__has_attribute) && __has_attribute(target_clones)
+#if defined(__x86_64__) && defined(__gnu_linux__) && defined(__has_attribute) && __has_attribute(target_clones) && !defined(__FMA__)
 #define VECTOR_DISPATCH __attribute__((target_clones("default", "fma")))
 #else
 #define VECTOR_DISPATCH