1 files changed, 1 insertions, 0 deletions

diff --git a/src/floatfns.c b/src/floatfns.c
index 61879eabe39..8cd08106ef2 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -981,6 +981,7 @@ float_error (signo)
   signal (SIGILL, float_error);
 #endif /* BSD_SYSTEM */
 
+  SIGNAL_THREAD_CHECK (signo);
   in_float = 0;
 
   Fsignal (Qarith_error, Fcons (float_error_arg, Qnil));