3 files changed, 7 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 286fe9ff1e..8a297cded0 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -808,10 +808,12 @@ early_init(int *argc, char **argv) /*
 #if defined(HIPE)
     hipe_signal_init();	/* must be done very early */
 #endif
-    erl_sys_init();
 
     erl_sys_args(argc, argv);
 
+    /* Creates threads on Windows that depend on the arguments, so has to be after erl_sys_args */
+    erl_sys_init();
+
     erts_ets_realloc_always_moves = 0;
     erts_ets_always_compress = 0;
     erts_dist_buf_busy_limit = ERTS_DE_BUSY_LIMIT;
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index fd15635168..f2fd01e236 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -527,7 +527,6 @@ erts_sys_pre_init(void)
 void
 erl_sys_init(void)
 {
-    erts_smp_rwmtx_init(&environ_rwmtx, "environ");
 #if !DISABLE_VFORK
  {
     int res;
@@ -3088,6 +3087,8 @@ get_value(char* rest, char** argv, int* ip)
 void
 erl_sys_args(int* argc, char** argv)
 {
+    erts_smp_rwmtx_init(&environ_rwmtx, "environ");
+
     int i, j;
 
     i = 1;
@@ -3151,4 +3152,5 @@ erl_sys_args(int* argc, char** argv)
 	    argv[j++] = argv[i];
     }
     *argc = j;
+
 }
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index ce1d376a54..94c39dc2c5 100644
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -3283,6 +3283,7 @@ erts_sys_pre_init(void)
     }
 #endif
     erts_smp_atomic_init_nob(&sys_misc_mem_sz, 0);
+    erts_sys_env_init();
 }
 
 void noinherit_std_handle(DWORD type)
@@ -3298,8 +3299,6 @@ void erl_sys_init(void)
 {
     HANDLE handle;
 
-    erts_sys_env_init();
-
     noinherit_std_handle(STD_OUTPUT_HANDLE);
     noinherit_std_handle(STD_INPUT_HANDLE);
     noinherit_std_handle(STD_ERROR_HANDLE);