diff --git a/src/fsfw/globalfunctions/arrayprinter.cpp b/src/fsfw/globalfunctions/arrayprinter.cpp
index 40dc09f5..29d466a9 100644
--- a/src/fsfw/globalfunctions/arrayprinter.cpp
+++ b/src/fsfw/globalfunctions/arrayprinter.cpp
@@ -58,7 +58,7 @@ void arrayprinter::printHex(const uint8_t *data, size_t size, size_t maxCharPerL
 #else
   // General format: 0x01, 0x02, 0x03 so it is number of chars times 6
   // plus line break plus small safety margin.
-  char printBuffer[(size + 1) * 7 + 1] = {};
+  char printBuffer[2048] = {};
   size_t currentPos = 0;
   for (size_t i = 0; i < size; i++) {
     // To avoid buffer overflows.
@@ -101,7 +101,7 @@ void arrayprinter::printDec(const uint8_t *data, size_t size, size_t maxCharPerL
   // General format: 32,243,-12 so it is number of chars times 4
   // plus line break plus small safety margin.
   uint16_t expectedLines = ceil((double)size / maxCharPerLine);
-  char printBuffer[size * 4 + 1 + expectedLines] = {};
+  char printBuffer[2048] = {};
   size_t currentPos = 0;
   for (size_t i = 0; i < size; i++) {
     // To avoid buffer overflows.