1 files changed, 8 insertions, 1 deletions
diff --git a/src/prop/bvminisat/simp/Main.cc b/src/prop/bvminisat/simp/Main.cc
index bfb655782..96e318e5f 100644
--- a/src/prop/bvminisat/simp/Main.cc
+++ b/src/prop/bvminisat/simp/Main.cc
@@ -30,11 +30,13 @@ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWA
 #include "core/Dimacs.h"
 #include "simp/SimpSolver.h"
 
-using namespace BVMinisat;
 
 //=================================================================================================
 
 
+namespace CVC4 {
+namespace BVMinisat {
+
 void printStats(Solver& solver)
 {
     double cpu_time = cpuTime();
@@ -65,11 +67,16 @@ static void SIGINT_exit(int signum) {
     _exit(1); }
 
 
+} /* CVC4::BVMinisat namespace */
+} /* CVC4 namespace */
+
 //=================================================================================================
 // Main:
 
 int main(int argc, char** argv)
 {
+  using namespace CVC4;
+  using namespace CVC4::BVMinisat;
     try {
         setUsageHelp("USAGE: %s [options] <input-file> <result-output-file>\n\n  where input may be either in plain or gzipped DIMACS.\n");
         // printf("This is MiniSat 2.0 beta\n");