diff --git a/math/Makefile b/math/Makefile
index 56c3df6448..9b41905027 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -59,7 +59,7 @@ libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod	\
 	     s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \
 	     s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2	\
 	     $(calls:s_%=m_%)
-generated += $(addsuffix .c .S,$(calls:s_%=m_%))
+generated += $(foreach s,.c .S l.c l.S f.c f.S,$(calls:s_%=m_%$s))
 dbl-only-routines := branred doasin dosincos halfulp mpa mpatan2	\
 		     mpatan mpexp mplog mpsqrt mptan sincos32 slowexp	\
 		     slowpow