diff --git a/lib/libc/gdtoa/machdep_ldisQ.c b/lib/libc/gdtoa/machdep_ldisQ.c
index 447b07f6abe2..e5cf6e63ad9d 100644
--- a/lib/libc/gdtoa/machdep_ldisQ.c
+++ b/lib/libc/gdtoa/machdep_ldisQ.c
@@ -40,6 +40,6 @@ strtold(const char * __restrict s, char ** __restrict sp)
 {
 	long double result;
 
-	strtopQ(s, sp, result);
+	strtopQ(s, sp, &result);
 	return result;
 }
diff --git a/lib/libc/gdtoa/machdep_ldisx.c b/lib/libc/gdtoa/machdep_ldisx.c
index 1920c39bb5a2..0b61de653f7c 100644
--- a/lib/libc/gdtoa/machdep_ldisx.c
+++ b/lib/libc/gdtoa/machdep_ldisx.c
@@ -40,6 +40,6 @@ strtold(const char * __restrict s, char ** __restrict sp)
 {
 	long double result;
 
-	strtopx(s, sp, result);
+	strtopx(s, sp, &result);
 	return result;
 }