diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index 3119361c22df7500b8c9cc8b3589314d05aa1604..6db1ddb42090ae59b67fd220808f4392356efbdf 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -265,8 +265,24 @@ function main() {
     echo_info "Compiling LTE softmodem"
     compilations \
 	  lte_build_oai lte-softmodem \
-	  lte-softmodem lte-softmodem.$REL
+	  lte-softmodem $dbin/lte-softmodem.$REL
 
+    # LTE softmodem (no S1 interface) compilation
+    [ "$CLEAN" = "1" ] && rm -rf $DIR/lte_noS1_build_oai/build
+    mkdir -p $DIR/lte_noS1_build_oai/build
+    cd  $DIR/lte_noS1_build_oai/build
+    cmake ..
+    echo_info "Compiling LTE softmodem (w/o S1 interface)"
+    compilations \
+	  lte_noS1_build_oai lte-softmodem \
+	  lte-softmodem $dbin/lte-softmodem-nos1
+    compilations \
+	  lte_noS1_build_oai nasmesh \
+	  CMakeFiles/nasmesh/nasmesh.ko $dbin/nasmesh.ko
+    compilations \
+	  lte_noS1_build_oai rb_tool \
+	  rb_tool $dbin/rb_tool
+    cp $OPENAIR_DIR/cmake_targets/tools/init_nas_nos1 $dbin
   fi
 
   if [ "$UE" = 1 ] ; then
diff --git a/cmake_targets/tools/build_helper b/cmake_targets/tools/build_helper
index 0c9f813236d262c0664702c164186b8db2091c29..b9009e139b972c8f7d2491e63b6b3e01ac57245f 100755
--- a/cmake_targets/tools/build_helper
+++ b/cmake_targets/tools/build_helper
@@ -115,7 +115,7 @@ compilations() {
     make -j4 $2
   } > $dlog/$2.$REL.txt 2>&1
   if [ -s $3 ] ; then
-     cp $3 $dbin
+     cp $3 $4
      echo_success "$2 compiled"
   else
      echo_error "$2 compilation failed"