diff --git a/bin/tools/pre-commit-hook b/bin/tools/pre-commit-hook
index b06ddd50b6bf83fbc5af17ed00f4dfdcb4a186f1..823559624d971eb1ba828141478519bba0e82d45 100755
--- a/bin/tools/pre-commit-hook
+++ b/bin/tools/pre-commit-hook
@@ -146,13 +146,20 @@ checkIllegalCode()
     badFiles=$(
     for f in $fileList
     do
-        # parse line numbers from grep output:
-        #        <lineNr>:   contents
-        lines=$(git grep -E -hn -e "$reBad" $scope"$f" |
-            sed -e 's@:.*@@' |
-            tr '\n' ' '
-        )
-        [ -n "$lines" ] && echo "$Indent$f -- lines: $lines"
+        case "$f" in
+        # exclude potential makefiles
+        (wmake/[Mm]akefile* | wmake/rules/*)
+        ;;
+        (*)
+            # parse line numbers from grep output:
+            #        <lineNr>:   contents
+            lines=$(git grep -E -hn -e "$reBad" $scope"$f" |
+                sed -e 's@:.*@@' |
+                tr '\n' ' '
+            )
+            [ -n "$lines" ] && echo "$Indent$f -- lines: $lines"
+        ;;
+        esac
     done
     )
 
diff --git a/bin/tools/pre-receive-hook b/bin/tools/pre-receive-hook
index f289b99be702a3b94179713f069751ed09a2bd27..046a80867160a30e7c14bb6c8639d81b6648aa9a 100755
--- a/bin/tools/pre-receive-hook
+++ b/bin/tools/pre-receive-hook
@@ -109,13 +109,20 @@ checkIllegalCode()
     badFiles=$(
     for f in $fileList
     do
-        # parse line numbers from grep output:
-        #        <lineNr>:   contents
-        lines=$(git grep -E -hn -e "$reBad" $scope"$f" |
-            sed -e 's@:.*@@' |
-            tr '\n' ' '
-        )
-        [ -n "$lines" ] && echo "$Indent$f -- lines: $lines"
+        case "$f" in
+        # exclude potential makefiles
+        (wmake/[Mm]akefile* | wmake/rules/*)
+        ;;
+        (*)
+            # parse line numbers from grep output:
+            #        <lineNr>:   contents
+            lines=$(git grep -E -hn -e "$reBad" $scope"$f" |
+                sed -e 's@:.*@@' |
+                tr '\n' ' '
+            )
+            [ -n "$lines" ] && echo "$Indent$f -- lines: $lines"
+        ;;
+        esac
     done
     )