diff --git a/drc/DRCbasic.c b/drc/DRCbasic.c
index ef5b7df9..8eea656d 100644
--- a/drc/DRCbasic.c
+++ b/drc/DRCbasic.c
@@ -796,9 +796,9 @@ drcTile (tile, dinfo, arg)
 		     * an exception area.  Exception rules are ignored if
 		     * the edge is outside an exception area.
 		     */
-		    if (!isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 0)))
+		    if (!isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 0))
 			continue;
-		    if (isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 1)))
+		    if (isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 1))
 			continue;
 		}
 
@@ -1243,9 +1243,9 @@ drcTile (tile, dinfo, arg)
 		     * an exception area.  Exception rules are ignored if
 		     * the edge is outside an exception area.
 		     */
-		    if (!isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 0)))
+		    if (!isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 0))
 			continue;
-		    if (isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 1)))
+		    if (isinside && ((cptr->drcc_exception & DRC_EXCEPTION_MASK) == 1))
 			continue;
 		}