diff --git a/scripts/gccnewlib/gccnewlib.spec.in b/scripts/gccnewlib/gccnewlib.spec.in
index abbf382a34..646e885cd9 100644
--- a/scripts/gccnewlib/gccnewlib.spec.in
+++ b/scripts/gccnewlib/gccnewlib.spec.in
@@ -75,7 +75,7 @@ This is gcc's and newlib C Library's sources with patches for RTEMS.
   cd build
   ../gcc-@gcc_version@/configure --target=@target_alias@ \
     --with-gnu-as --with-gnu-ld --with-newlib --verbose \
-    --prefix=/opt/rtems
+    --enable-threads --prefix=/opt/rtems
 
   # for now we are building all the languages
   #  '--enable-languages=c,c++'
diff --git a/scripts/gccnewlib/gccnewlib_c_only.spec.in b/scripts/gccnewlib/gccnewlib_c_only.spec.in
index a543e3b1b4..ff7c583a66 100644
--- a/scripts/gccnewlib/gccnewlib_c_only.spec.in
+++ b/scripts/gccnewlib/gccnewlib_c_only.spec.in
@@ -91,7 +91,7 @@ This is gcc and newlib C Library for @target_alias@.
   cd build
   ../gcc-@gcc_version@/configure --target=@target_alias@ \
     --with-gnu-as --with-gnu-ld --with-newlib --verbose \
-    --prefix=/opt/rtems '--enable-languages=c,c++'
+    --enable-threads --prefix=/opt/rtems '--enable-languages=c,c++'
 
   make all
   make info