diff --git a/minix/tests/common.c b/minix/tests/common.c
index a4e1fa032..986858f22 100644
--- a/minix/tests/common.c
+++ b/minix/tests/common.c
@@ -170,9 +170,9 @@ printprogress(char *msg, int i, int max)
         prev_time = now;
 }
 
-void getmem(u32_t *total, u32_t *free, u32_t *cached)
+void getmem(uint32_t *total, uint32_t *free, uint32_t *cached)
 {
-        u32_t pagesize, largest;
+        uint32_t pagesize, largest;
         FILE *f = fopen("/proc/meminfo", "r");
         if(!f) return;
         if(fscanf(f, "%u %u %u %u %u", &pagesize, total, free,
diff --git a/minix/tests/common.h b/minix/tests/common.h
index 69e3237f5..1290883d2 100644
--- a/minix/tests/common.h
+++ b/minix/tests/common.h
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <time.h>
 #include <sys/statvfs.h>
@@ -21,6 +22,6 @@ void quit(void);
 void rm_rf_dir(int test_nr);
 void rm_rf_ppdir(int test_nr);
 void start(int test_nr);
-void getmem(u32_t *total, u32_t *free, u32_t *cached);
+void getmem(uint32_t *total, uint32_t *free, uint32_t *cached);
 
 extern int common_test_nr, errct, subtest;