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-rw-r--r--src/floatfns.c1
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));