diff --git a/meson.build b/meson.build
index e37f8a7..91b511b 100644
--- a/meson.build
+++ b/meson.build
@@ -7,6 +7,11 @@ sources = [
     'src/instruction.c'
 ]
 
-args = ['-Wall', '-Wextra', '-O3', '-ggdb', '-fsanitize=address']
+args = ['-Wall', '-Wextra', '-O3']
+if get_option('buildtype') == 'debug'
+    args = ['-Wall', '-Wextra', '-O3', '-ggdb', '-fsanitize=address']
+    add_project_arguments('-fsanitize=address', language : 'c')
+    add_project_link_arguments('-fsanitize=address', language : 'c')
+endif
 
 executable('emu', sources, c_args: args)
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index e8b5c49..7c0379a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -11,13 +11,15 @@ int main() {
     Instruction program[] = {
         {INST_MVI, {REG_A, 0, 0}, 5, true},
         {INST_MVI, {REG_B, 0, 0}, 3, true},
-        {INST_ADD, {REG_A, REG_B, 0}, 0, false}
+        {INST_ADD, {REG_A, REG_B, 0}, 0, false},
+        {INST_HLT, {}, 0, false}
     };
     memoryLoadProgram(emu->mem, program, sizeof(program)/sizeof(program[0]));
 
     printf("%s\n", instructionToCStr(decodeInstruction(emu->mem, &emu->pc)));
     printf("%s\n", instructionToCStr(decodeInstruction(emu->mem, &emu->pc)));
     printf("%s\n", instructionToCStr(decodeInstruction(emu->mem, &emu->pc)));
+    printf("%s\n", instructionToCStr(decodeInstruction(emu->mem, &emu->pc)));
 
     freeEmulator(emu);