diff --git a/java/source/infodynamics/measures/continuous/kraskov/cuda/ctimer.h b/java/source/infodynamics/measures/continuous/kraskov/cuda/ctimer.h
index 8dc9680..84499e4 100644
--- a/java/source/infodynamics/measures/continuous/kraskov/cuda/ctimer.h
+++ b/java/source/infodynamics/measures/continuous/kraskov/cuda/ctimer.h
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <time.h>
 #include <sys/time.h>
+#include <string.h>
 
 typedef struct CPerfTimer {
   struct timeval tv;
@@ -22,7 +23,13 @@ static inline void stopTimer(CPerfTimer pt) {
   struct timeval tv;
   gettimeofday(&tv, NULL);
   unsigned long us = 1000000 * tv.tv_sec + tv.tv_usec;
-  printf("%s: %.3fms\n", pt.tag, (us - pt.us)/((double) 1000.0));
+  if (strlen(pt.tag) < 50) {
+    char buf[50] = "                                                 ";
+    memcpy(buf, pt.tag, strlen(pt.tag));
+    printf("%s: %.3fms\n", buf, (us - pt.us)/((double) 1000.0));
+  } else {
+    printf("%s: %.3fms\n", pt.tag, (us - pt.us)/((double) 1000.0));
+  }
 #endif
   return;
 }