diff --git a/top.c b/top.c
index 4846db93..67bab375 100644
--- a/top.c
+++ b/top.c
@@ -273,6 +273,7 @@ static int chin (int ech, char *buf, unsigned cnt)
 
 // This routine simply formats whatever the caller wants and
 // returns a pointer to the resulting 'const char' string...
+static const char *fmtmk (const char *fmts, ...) __attribute__((format(printf,1,2)));
 static const char *fmtmk (const char *fmts, ...)
 {
    static char buf[BIGBUFSIZ];          // with help stuff, our buffer
@@ -560,6 +561,7 @@ static void capsmk (WIN_t *q)
 // Due to the postponed opening of ksym, using open_psdb_message,
 // if P_WCH had been selected and the program is restarted, the
 // message would otherwise be displayed prematurely.
+static void msg_save (const char *fmts, ...) __attribute__((format(printf,1,2)));
 static void msg_save (const char *fmts, ...)
 {
    char tmp[SMLBUFSIZ];
@@ -2470,6 +2472,7 @@ static void do_key (unsigned c)
 {
    // standardized 'secure mode' errors
    static const char err_secure[] = "\aUnavailable in secure mode";
+   static const char err_num_cpus[] = "\aSorry, terminal is not big enough";
 #ifdef WARN_NOT_SMP
    // standardized 'smp' errors
    static const char err_smp[] = "\aSorry, only 1 cpu detected";
@@ -2477,6 +2480,10 @@ static void do_key (unsigned c)
 
    switch (c) {
       case '1':
+         if (Cpu_tot+7 > Screen_rows && !CHKw(Curwin, View_CPUSUM)) {
+            show_msg(err_num_cpus);
+            break;
+         }
 #ifdef WARN_NOT_SMP
          if (Cpu_tot > 1) TOGw(Curwin, View_CPUSUM);
          else show_msg(err_smp);
diff --git a/top.h b/top.h
index 5dc1bbc5..de0a7201 100644
--- a/top.h
+++ b/top.h
@@ -391,14 +391,14 @@ typedef struct WIN_t {
    " %#4.1f%% \02us,\03 %#4.1f%% \02sy,\03 %#4.1f%% \02ni,\03 %#4.1f%% \02id,\03 %#4.1f%% \02wa,\03 %#4.1f%% \02hi,\03 %#4.1f%% \02si\03\n"
 #ifdef CASEUP_SUMMK
 #define MEMORY_line1  "Mem: \03" \
-   " %8uK \02total,\03 %8uK \02used,\03 %8uK \02free,\03 %8uK \02buffers\03\n"
+   " %8luK \02total,\03 %8luK \02used,\03 %8luK \02free,\03 %8luK \02buffers\03\n"
 #define MEMORY_line2  "Swap:\03" \
-   " %8uK \02total,\03 %8uK \02used,\03 %8uK \02free,\03 %8uK \02cached\03\n"
+   " %8luK \02total,\03 %8luK \02used,\03 %8luK \02free,\03 %8luK \02cached\03\n"
 #else
 #define MEMORY_line1  "Mem: \03" \
-   " %8uk \02total,\03 %8uk \02used,\03 %8uk \02free,\03 %8uk \02buffers\03\n"
+   " %8luk \02total,\03 %8luk \02used,\03 %8luk \02free,\03 %8luk \02buffers\03\n"
 #define MEMORY_line2  "Swap:\03" \
-   " %8uk \02total,\03 %8uk \02used,\03 %8uk \02free,\03 %8uk \02cached\03\n"
+   " %8luk \02total,\03 %8luk \02used,\03 %8luk \02free,\03 %8luk \02cached\03\n"
 #endif
 
 // Keyboard Help specially formatted string(s) --