4 files changed, 4 insertions, 4 deletions
diff --git a/lib/libc/string/ffs.c b/lib/libc/string/ffs.c
index abd214693911..f8da99629c61 100644
--- a/lib/libc/string/ffs.c
+++ b/lib/libc/string/ffs.c
@@ -50,6 +50,6 @@ ffs(int mask)
 	if (mask == 0)
 		return(0);
 	for (bit = 1; !(mask & 1); bit++)
-		(unsigned int)mask >>= 1;
+		mask = (unsigned int)mask >> 1;
 	return (bit);
 }
diff --git a/lib/libc/string/ffsl.c b/lib/libc/string/ffsl.c
index a0d81d178e69..3ef9afaf900b 100644
--- a/lib/libc/string/ffsl.c
+++ b/lib/libc/string/ffsl.c
@@ -47,6 +47,6 @@ ffsl(long mask)
 	if (mask == 0)
 		return(0);
 	for (bit = 1; !(mask & 1); bit++)
-		(unsigned long)mask >>= 1;
+		mask = (unsigned long)mask >> 1;
 	return (bit);
 }
diff --git a/lib/libc/string/fls.c b/lib/libc/string/fls.c
index 71a971a531d5..e27f3ff2f176 100644
--- a/lib/libc/string/fls.c
+++ b/lib/libc/string/fls.c
@@ -47,6 +47,6 @@ fls(int mask)
 	if (mask == 0)
 		return (0);
 	for (bit = 1; mask != 1; bit++)
-		(unsigned int)mask >>= 1;
+		mask = (unsigned int)mask >> 1;
 	return (bit);
 }
diff --git a/lib/libc/string/flsl.c b/lib/libc/string/flsl.c
index e881e93cf23a..127e311071cb 100644
--- a/lib/libc/string/flsl.c
+++ b/lib/libc/string/flsl.c
@@ -47,6 +47,6 @@ flsl(long mask)
 	if (mask == 0)
 		return (0);
 	for (bit = 1; mask != 1; bit++)
-		(unsigned long)mask >>= 1;
+		mask = (unsigned long)mask >> 1;
 	return (bit);
 }