diff --git a/mozilla/nsprpub/pr/src/io/prfile.c b/mozilla/nsprpub/pr/src/io/prfile.c
index 54d0f5587e8..173cec21288 100644
--- a/mozilla/nsprpub/pr/src/io/prfile.c
+++ b/mozilla/nsprpub/pr/src/io/prfile.c
@@ -410,6 +410,8 @@ PR_IMPLEMENT(PRFileDesc*) PR_ImportFile(PRInt32 osfd)
 {
     PRFileDesc *fd = NULL;
 
+    if (!_pr_initialized) _PR_ImplicitInitialization();
+
     fd = PR_AllocFileDesc(osfd, &_pr_fileMethods);
     if( !fd ) {
         (void) _PR_MD_CLOSE_FILE(osfd);
diff --git a/mozilla/nsprpub/pr/src/io/prsocket.c b/mozilla/nsprpub/pr/src/io/prsocket.c
index de6546c00b0..e93e0ec27fa 100644
--- a/mozilla/nsprpub/pr/src/io/prsocket.c
+++ b/mozilla/nsprpub/pr/src/io/prsocket.c
@@ -167,6 +167,7 @@ PR_IMPLEMENT(PRFileDesc *) PR_ImportTCPSocket(PRInt32 osfd)
 {
 PRFileDesc *fd;
 
+	if (!_pr_initialized) _PR_ImplicitInitialization();
 	fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
 	if (fd != NULL)
 		_PR_MD_MAKE_NONBLOCK(fd);
@@ -179,6 +180,7 @@ PR_IMPLEMENT(PRFileDesc *) PR_ImportUDPSocket(PRInt32 osfd)
 {
 PRFileDesc *fd;
 
+	if (!_pr_initialized) _PR_ImplicitInitialization();
 	fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods());
 	if (fd != NULL)
 		_PR_MD_MAKE_NONBLOCK(fd);
diff --git a/mozilla/nsprpub/pr/src/pthreads/ptio.c b/mozilla/nsprpub/pr/src/pthreads/ptio.c
index 658e0819218..c6bd63be86a 100644
--- a/mozilla/nsprpub/pr/src/pthreads/ptio.c
+++ b/mozilla/nsprpub/pr/src/pthreads/ptio.c
@@ -3281,21 +3281,30 @@ PR_IMPLEMENT(PRStatus) PR_SetFDInheritable(
 
 PR_IMPLEMENT(PRFileDesc*) PR_ImportFile(PRInt32 osfd)
 {
-    PRFileDesc *fd = pt_SetMethods(osfd, PR_DESC_FILE);
+    PRFileDesc *fd;
+
+    if (!_pr_initialized) _PR_ImplicitInitialization();
+    fd = pt_SetMethods(osfd, PR_DESC_FILE);
     if (NULL == fd) close(osfd);
     return fd;
 }  /* PR_ImportFile */
 
 PR_IMPLEMENT(PRFileDesc*) PR_ImportTCPSocket(PRInt32 osfd)
 {
-    PRFileDesc *fd = pt_SetMethods(osfd, PR_DESC_SOCKET_TCP);
+    PRFileDesc *fd;
+
+    if (!_pr_initialized) _PR_ImplicitInitialization();
+    fd = pt_SetMethods(osfd, PR_DESC_SOCKET_TCP);
     if (NULL == fd) close(osfd);
     return fd;
 }  /* PR_ImportTCPSocket */
 
 PR_IMPLEMENT(PRFileDesc*) PR_ImportUDPSocket(PRInt32 osfd)
 {
-    PRFileDesc *fd = pt_SetMethods(osfd, PR_DESC_SOCKET_UDP);
+    PRFileDesc *fd;
+
+    if (!_pr_initialized) _PR_ImplicitInitialization();
+    fd = pt_SetMethods(osfd, PR_DESC_SOCKET_UDP);
     if (NULL != fd) close(osfd);
     return fd;
 }  /* PR_ImportUDPSocket */