diff --git a/libr/anal/rpnesil.c b/libr/anal/rpnesil.c
index 8ebb48b02a..fb63498f12 100644
--- a/libr/anal/rpnesil.c
+++ b/libr/anal/rpnesil.c
@@ -2237,6 +2237,10 @@ static int runword (RAnalEsil *esil, const char *word) {
 			return op (esil);
 		}
 	}
+	if (!*word) {
+		// skip empty words
+		return;
+	}
 	// push value
 	if (!r_anal_esil_push (esil, word)) {
 		eprintf ("ESIL stack is full\n");