diff --git a/lib/libc/powerpc/gen/fpsetmask.c b/lib/libc/powerpc/gen/fpsetmask.c
index 4d63552470b..f5d52eec548 100644
--- a/lib/libc/powerpc/gen/fpsetmask.c
+++ b/lib/libc/powerpc/gen/fpsetmask.c
@@ -43,11 +43,11 @@ fp_except_t
 fpsetmask(fp_except_t mask)
 {
 	u_int64_t fpscr;
-	fp_rnd_t old;
+	fp_except_t old;
 
 	__asm__("mffs %0" : "=f"(fpscr));
-	old = (fp_rnd_t)((fpscr >> 3) & 0x1f);
-	fpscr = (fpscr & 0xffffff07) | (mask << 3);
+	old = (fp_except_t)((fpscr >> 3) & 0x1f);
+	fpscr = (fpscr & 0xffffff07) | ((mask & 0x1f) << 3);
 	__asm__ __volatile("mtfsf 0xff,%0" :: "f"(fpscr));
 	return (old);
 }
diff --git a/lib/libc/powerpcspe/gen/fpsetmask.c b/lib/libc/powerpcspe/gen/fpsetmask.c
index e71b822d6e0..2f48802d9ca 100644
--- a/lib/libc/powerpcspe/gen/fpsetmask.c
+++ b/lib/libc/powerpcspe/gen/fpsetmask.c
@@ -42,11 +42,11 @@ fp_except_t
 fpsetmask(fp_except_t mask)
 {
 	uint32_t fpscr;
-	fp_rnd_t old;
+	fp_except_t old;
 
 	__asm__ __volatile("mfspr %0, %1" : "=r"(fpscr) : "K"(SPR_SPEFSCR));
-	old = (fp_rnd_t)((fpscr >> 2) & 0x1f);
-	fpscr = (fpscr & 0xffffff83) | (mask << 2);
+	old = (fp_except_t)((fpscr >> 2) & 0x1f);
+	fpscr = (fpscr & 0xffffff83) | ((mask & 0x1f) << 2);
 	__asm__ __volatile("mtspr %1,%0;isync" :: "r"(fpscr), "K"(SPR_SPEFSCR));
 	return (old);
 }