diff --git a/Configurations/99-personal-steve.conf b/Configurations/99-personal-steve.conf
index 171b1cbdc..b75e6a3d6 100644
--- a/Configurations/99-personal-steve.conf
+++ b/Configurations/99-personal-steve.conf
@@ -8,7 +8,7 @@
     "debug-steve64" => {
         inherit_from     => [ "x86_64_asm" ],
         cc               => "gcc",
-        cflags           => "$gcc_devteam_warn -m64 -DL_ENDIAN -DTERMIO -DCONF_DEBUG -g",
+        cflags           => "$gcc_devteam_warn -pthread -m64 -DL_ENDIAN -DTERMIO -DCONF_DEBUG -g",
         thread_cflag     => "-D_REENTRANT",
         lflags           => "-ldl",
         bn_ops           => "SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL",
@@ -22,7 +22,7 @@
     "debug-steve32" => {
         inherit_from     => [ "x86_elf_asm" ],
         cc               => "gcc",
-        cflags           => "$gcc_devteam_warn -m32 -DL_ENDIAN -DCONF_DEBUG -g",
+        cflags           => "$gcc_devteam_warn -pthread -m32 -DL_ENDIAN -DCONF_DEBUG -g",
         thread_cflag     => "-D_REENTRANT",
         lflags           => "-rdynamic -ldl",
         bn_ops           => "BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}",
@@ -35,7 +35,7 @@
     "debug-steve-opt" => {
         inherit_from     => [ "x86_64_asm" ],
         cc               => "gcc",
-        cflags           => "$gcc_devteam_warn -m64 -O3 -DL_ENDIAN -DTERMIO -DCONF_DEBUG -g",
+        cflags           => "$gcc_devteam_warn -pthread -m64 -O3 -DL_ENDIAN -DTERMIO -DCONF_DEBUG -g",
         thread_cflag     => "-D_REENTRANT",
         lflags           => "-ldl",
         bn_ops           => "SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL",