diff --git a/src/math/sqrtl.c b/src/math/sqrtl.c
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0645cca0cf95cdf23afee4cd03b87ca61fa88f62 100644
--- a/src/math/sqrtl.c
+++ b/src/math/sqrtl.c
@@ -0,0 +1,9 @@
+#include <math.h>
+
+long double sqrtl(long double x)
+{
+	/* FIXME: implement sqrtl in C. At least this works for now on
+	 * ARM (which uses ld64), the only arch without sqrtl asm
+	 * that's supported so far. */
+	return sqrt(x);
+}