diff --git a/src/Execute.cpp b/src/Execute.cpp
index 01d8d6f..ecbdd42 100644
--- a/src/Execute.cpp
+++ b/src/Execute.cpp
@@ -213,7 +213,7 @@ void Execute::BLTU(Instruction &inst) {
   }
 
   log->SC_log(Log::INFO) << "BLTU x"
-          << rs1 << "(" << regs->getValue(rs1) << ") < x"
+          << dec << rs1 << "(" << regs->getValue(rs1) << ") < x"
           << rs2 << "(" << regs->getValue(rs2) << ")? -> PC (0x"
           << hex << new_pc << ")" << dec << endl;
 }
@@ -784,7 +784,7 @@ void Execute::FENCE(Instruction &inst) {
 void Execute::ECALL(Instruction &inst) {
 
   log->SC_log(Log::INFO) << "ECALL" << endl;
-  std::cout << "ECALL Instruction called, stopping simulation" << endl;
+  std::cout << endl << "ECALL Instruction called, stopping simulation" << endl;
   regs->dump();
   cout << "Simulation time " << sc_time_stamp() << endl;
   perf->dump();
diff --git a/tests/C/trace/trace.c b/tests/C/trace/trace.c
index 7597464..c1727c0 100644
--- a/tests/C/trace/trace.c
+++ b/tests/C/trace/trace.c
@@ -4,4 +4,6 @@
 void main(void) {
   TRACE = 'H';
   TRACE = 'e';
+
+  asm volatile ("ecall");
 }
diff --git a/tests/C/trace2/trace2.c b/tests/C/trace2/trace2.c
index 18274f7..1e537f9 100644
--- a/tests/C/trace2/trace2.c
+++ b/tests/C/trace2/trace2.c
@@ -6,4 +6,7 @@ void main(void) {
   for(i=0;i<10;i++) {
     TRACE = 'a' + i;
   }
+
+  asm volatile ("ecall");
+
 }
diff --git a/tests/C/trace3/trace3.c b/tests/C/trace3/trace3.c
index 3a7483d..c93921b 100644
--- a/tests/C/trace3/trace3.c
+++ b/tests/C/trace3/trace3.c
@@ -7,4 +7,6 @@ void main(void) {
   for (i=0; i<5; i++) {
     TRACE = msg[i];
   }
+
+  asm volatile ("ecall");
 }