diff --git a/MemoryMeter.c b/MemoryMeter.c
index 27ed0dc7..f1c1e357 100644
--- a/MemoryMeter.c
+++ b/MemoryMeter.c
@@ -26,7 +26,7 @@ int MemoryMeter_attributes[] = {
 
 static void MemoryMeter_setValues(Meter* this, char* buffer, int size) {
    Platform_setMemoryValues(this);
-   snprintf(buffer, size, "%ld/%ldMB", (long int) this->values[0] / 1024, (long int) this->total / 1024);
+   snprintf(buffer, size, "%ld/%ldM", (long int) this->values[0] / 1024, (long int) this->total / 1024);
 }
 
 static void MemoryMeter_display(Object* cast, RichString* out) {
diff --git a/SwapMeter.c b/SwapMeter.c
index b8bb1814..a19c0300 100644
--- a/SwapMeter.c
+++ b/SwapMeter.c
@@ -35,7 +35,7 @@ static void SwapMeter_humanNumber(char* buffer, const long int* value) {
 
 static void SwapMeter_setValues(Meter* this, char* buffer, int len) {
    Platform_setSwapValues(this);
-   snprintf(buffer, len, "%ld/%ldMB", (long int) this->values[0] / MEGABYTE, (long int) this->total / MEGABYTE);
+   snprintf(buffer, len, "%ld/%ldM", (long int) this->values[0] / MEGABYTE, (long int) this->total / MEGABYTE);
 }
 
 static void SwapMeter_display(Object* cast, RichString* out) {