diff --git a/libr/core/graph.c b/libr/core/graph.c
index c391bcba57..d954266082 100644
--- a/libr/core/graph.c
+++ b/libr/core/graph.c
@@ -213,10 +213,10 @@ static void normal_ANode_print(const AGraph *g, const ANode *n, int cur) {
 			n->y + MARGIN_TEXT_Y + delta_y + center_y - delta_txt_y)) {
 		unsigned int text_x = center_x >= delta_x ? 0 : delta_x - center_x;
 		unsigned int text_y = center_y >= delta_y ? 0 : delta_y - center_y;
-		unsigned int text_h = BORDER_HEIGHT >= n->h ? 0 : n->h - BORDER_HEIGHT;
+		unsigned int text_h = BORDER_HEIGHT >= n->h ? 1 : n->h - BORDER_HEIGHT;
 
 		if (g->zoom < ZOOM_DEFAULT) text_h--;
-		if (text_y <= text_h - 1) {
+		if (text_y + 1 <= text_h) {
 			text = r_str_crop (n->text,
 					text_x, text_y,
 					n->w - BORDER_WIDTH,
diff --git a/libr/include/r_util.h b/libr/include/r_util.h
index 6d466b1dce..1837eb6f6f 100644
--- a/libr/include/r_util.h
+++ b/libr/include/r_util.h
@@ -480,7 +480,7 @@ R_API const char *r_str_pad(const char ch, int len);
 R_API const char *r_str_rchr(const char *base, const char *p, int ch);
 R_API const char *r_str_closer_chr (const char *b, const char *s);
 R_API int r_str_bounds(const char *str, int *h);
-R_API char *r_str_crop(const char *str, int x, int y, int w, int h);
+R_API char *r_str_crop(const char *str, unsigned int x, unsigned int y, unsigned int w, unsigned int h);
 R_API int r_str_len_utf8 (const char *s);
 R_API int r_str_len_utf8char (const char *s, int left);
 R_API void r_str_filter_zeroline(char *str, int len);
diff --git a/libr/util/str.c b/libr/util/str.c
index 3f7829af82..0b081d2aa5 100644
--- a/libr/util/str.c
+++ b/libr/util/str.c
@@ -1706,9 +1706,9 @@ R_API int r_str_bounds(const char *_str, int *h) {
 }
 #endif
 
-R_API char *r_str_crop(const char *str, int x, int y, int w, int h) {
+R_API char *r_str_crop(const char *str, unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
 	char *r, *ret;
-	int ch = 0, cw = 0;
+	unsigned int ch = 0, cw = 0;
 	if (w<1 || h<1)
 		return strdup ("");
 	r = ret = strdup (str);