diff --git a/src/regexp.c b/src/regexp.c
index bf113da..ac60c69 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -1899,7 +1899,7 @@
 					  br = regnext(br);
 				  }
 			      }
-			      *flagp &= ~HASWIDTH;
+			      *flagp &= ~(HASWIDTH | SIMPLE);
 			      break;
 			  }