diff --git a/mem.c b/mem.c
index d57f4c9..92cf526 100644
--- a/mem.c
+++ b/mem.c
@@ -16,7 +16,7 @@ void segfault_handler(int signal_num) {
     exit(signal_num);
   }
 }
-int tryDereference(uintptr_t* pointer, uintptr_t* output) {
+int tryDereference(uint8_t* pointer, uint8_t* output) {
   uintptr_t val;
   if (setjmp(env_buffer) == 0) {
     enable_handler = 1;
@@ -30,13 +30,11 @@ int tryDereference(uintptr_t* pointer, uintptr_t* output) {
   }
 }
 void printMem(uint8_t* location) {
-  if (setjmp(env_buffer) == 0) {
-    enable_handler = 1;
-    printf("%p: 0x%02x\n", location, *location);
-    enable_handler = 0;
+  uint8_t value;
+  if(tryDereference(location, &value)) {
+    printf("%p: 0x%02x\n", location, value);
   }
   else {
-    enable_handler = 0;
     printf("%p: SEGFAULT\n", location);
   }
 }