diff --git a/src/lib/internal.h b/src/lib/internal.h
index 383d66c76..030d9970a 100644
--- a/src/lib/internal.h
+++ b/src/lib/internal.h
@@ -591,15 +591,17 @@ cell_debug(const egcpool* p, const cell* c){
 }
 
 static inline void
-plane_debug(const ncplane* n){
+plane_debug(const ncplane* n, bool details){
   int dimy, dimx;
   ncplane_dim_yx(n, &dimy, &dimx);
   fprintf(stderr, "p: %p dim: %d/%d poolsize: %d\n", n, dimy, dimx, n->pool.poolsize);
-  for(int y = 0 ; y < 1 ; ++y){
-    for(int x = 0 ; x < 10 ; ++x){
-      const cell* c = &n->fb[fbcellidx(y, dimx, x)];
-      fprintf(stderr, "[%03d/%03d] ", y, x);
-      cell_debug(&n->pool, c);
+  if(details){
+    for(int y = 0 ; y < 1 ; ++y){
+      for(int x = 0 ; x < 10 ; ++x){
+        const cell* c = &n->fb[fbcellidx(y, dimx, x)];
+        fprintf(stderr, "[%03d/%03d] ", y, x);
+        cell_debug(&n->pool, c);
+      }
     }
   }
 }
diff --git a/src/lib/notcurses.c b/src/lib/notcurses.c
index 56a3f2572..bd73f4a7f 100644
--- a/src/lib/notcurses.c
+++ b/src/lib/notcurses.c
@@ -1052,11 +1052,11 @@ uint32_t ncplane_attr(const ncplane* n){
   return n->attrword;
 }
 
-void ncplane_set_fg_default(struct ncplane* n){
+void ncplane_set_fg_default(ncplane* n){
   channels_set_fg_default(&n->channels);
 }
 
-void ncplane_set_bg_default(struct ncplane* n){
+void ncplane_set_bg_default(ncplane* n){
   channels_set_bg_default(&n->channels);
 }
 
@@ -1128,7 +1128,7 @@ int ncplane_base(ncplane* ncp, cell* c){
   return cell_duplicate(ncp, c, &ncp->basecell);
 }
 
-const char* cell_extended_gcluster(const struct ncplane* n, const cell* c){
+const char* cell_extended_gcluster(const ncplane* n, const cell* c){
   return extended_gcluster(n, c);
 }
 
@@ -1263,7 +1263,7 @@ int ncplane_putc_yx(ncplane* n, int y, int x, const cell* c){
   return cols;
 }
 
-int ncplane_putegc_yx(struct ncplane* n, int y, int x, const char* gclust, int* sbytes){
+int ncplane_putegc_yx(ncplane* n, int y, int x, const char* gclust, int* sbytes){
   cell c = CELL_TRIVIAL_INITIALIZER;
   int primed = cell_prime(n, &c, gclust, n->attrword, n->channels);
   if(sbytes){
diff --git a/tests/egcpool.cpp b/tests/egcpool.cpp
index 619057edc..f94e8ab29 100644
--- a/tests/egcpool.cpp
+++ b/tests/egcpool.cpp
@@ -205,6 +205,31 @@ TEST_CASE("EGCpool") {
     CHECK(candidates.size() / 13 > no);
   }
 
+  // ensure that a hard error comes up when we fill the EGCpool
+  SUBCASE("ExhaustPool") {
+    wchar_t wcs = 0x4e00;
+    uint64_t total = 0;
+    while(true){
+      char mb[MB_CUR_MAX + 1];
+      auto r = wctomb(mb, wcs);
+      CHECK(0 < r);
+      REQUIRE(sizeof(mb) >= r);
+      mb[r] = '\0';
+      int loc = egcpool_stash(&pool_, mb, r);
+      if(loc < 0){
+        break;
+      }
+      REQUIRE(loc == total);
+      total += r + 1;
+      CHECK(egcpool_check_validity(&pool_, loc));
+      CHECK((1u << 25) > loc);
+      if(++wcs == 0x9fa5){
+        wcs = 0x4e00;
+      }
+    }
+    CHECK((1u << 25) <= total);
+  }
+
   // common cleanup
   egcpool_dump(&pool_);
 
diff --git a/tests/scrolling.cpp b/tests/scrolling.cpp
index 9f685ced3..62c324365 100644
--- a/tests/scrolling.cpp
+++ b/tests/scrolling.cpp
@@ -180,8 +180,8 @@ TEST_CASE("Scrolling") {
   SUBCASE("XYPostScroll") {
     const char* out = "0123456789012345678901234567890123456789";
     const char* onext = "ABCDEFGHIJ";
-    const char* next2 = "KLMNOPQRST";
-    const char* next3 = "UVWXYZ";
+    //const char* next2 = "KLMNOPQRST";
+    //const char* next3 = "UVWXYZ";
     CHECK(0 == notcurses_render(nc_));
     struct ncplane* n = ncplane_new(nc_, 2, 20, 1, 1, nullptr);
     REQUIRE(n);