diff --git a/lib/msun/amd64/fenv.c b/lib/msun/amd64/fenv.c
index c543bd5bf3a..bd267e5bd51 100644
--- a/lib/msun/amd64/fenv.c
+++ b/lib/msun/amd64/fenv.c
@@ -31,7 +31,7 @@
 #include <machine/fpu.h>
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"
diff --git a/lib/msun/arm/fenv.c b/lib/msun/arm/fenv.c
index f96bb641b40..a5a5c03d3a7 100644
--- a/lib/msun/arm/fenv.c
+++ b/lib/msun/arm/fenv.c
@@ -27,7 +27,7 @@
  */
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"
diff --git a/lib/msun/i387/fenv.c b/lib/msun/i387/fenv.c
index f116e023460..fafe2204cd1 100644
--- a/lib/msun/i387/fenv.c
+++ b/lib/msun/i387/fenv.c
@@ -31,7 +31,7 @@
 #include <machine/npx.h>
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"
diff --git a/lib/msun/ia64/fenv.c b/lib/msun/ia64/fenv.c
index 9e760da1910..09d2d4e9252 100644
--- a/lib/msun/ia64/fenv.c
+++ b/lib/msun/ia64/fenv.c
@@ -29,7 +29,7 @@
 #include <sys/types.h>
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"
diff --git a/lib/msun/mips/fenv.c b/lib/msun/mips/fenv.c
index f96bb641b40..a5a5c03d3a7 100644
--- a/lib/msun/mips/fenv.c
+++ b/lib/msun/mips/fenv.c
@@ -27,7 +27,7 @@
  */
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"
diff --git a/lib/msun/powerpc/fenv.c b/lib/msun/powerpc/fenv.c
index 9191a48af7b..3f4801bbd81 100644
--- a/lib/msun/powerpc/fenv.c
+++ b/lib/msun/powerpc/fenv.c
@@ -27,7 +27,7 @@
  */
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"
diff --git a/lib/msun/sparc64/fenv.c b/lib/msun/sparc64/fenv.c
index a1db64e6637..c4d3e5de67c 100644
--- a/lib/msun/sparc64/fenv.c
+++ b/lib/msun/sparc64/fenv.c
@@ -27,7 +27,7 @@
  */
 
 #define	__fenv_static
-#include <fenv.h>
+#include "fenv.h"
 
 #ifdef __GNUC_GNU_INLINE__
 #error "This file must be compiled with C99 'inline' semantics"