diff --git a/scripts/checksrc-all.pl b/scripts/checksrc-all.pl
index 0b579567a3..08ff6cfbf5 100755
--- a/scripts/checksrc-all.pl
+++ b/scripts/checksrc-all.pl
@@ -15,10 +15,10 @@ if(system('git rev-parse --is-inside-work-tree >/dev/null 2>&1') == 0) {
   @files = `git ls-files '*.[ch]'`;
 }
 else {
-  find(sub { if(/\.[ch]/) { push(@files, $File::Find::name) } }, ('.'));
+  find(sub { if(/\.[ch]$/) { push(@files, $File::Find::name) } }, ('.'));
 }
 if(@ARGV) {
-  find(sub { if(/\.[ch]/) { push(@files, $File::Find::name) } }, @ARGV);
+  find(sub { if(/\.[ch]$/) { push(@files, $File::Find::name) } }, @ARGV);
 }
 
 @files = grep !/\/CMakeFiles\//, @files;