diff --git a/kernel/power/zscal.c b/kernel/power/zscal.c
index 0068138e88..6b7392d0ca 100644
--- a/kernel/power/zscal.c
+++ b/kernel/power/zscal.c
@@ -38,6 +38,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #pragma GCC optimize "O1"
 
+#if defined(__clang__)
+#pragma clang fp contract(off)
+#endif
+
 #if defined(__VEC__) || defined(__ALTIVEC__)
 #if defined(POWER8) || defined(POWER9)
 #if defined(DOUBLE)