diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d23b1a4..6db1bac 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,13 +15,13 @@ jobs:
 
     steps:
       - name: Install build tools
-        run: sudo apt update && sudo apt install build-essential
+        run: sudo apt update && sudo apt install build-essential xz-utils
       - name: Download OpenWatcom
         if: steps.cache.outputs.cache-hit != 'true'
         run: |
           rm -rf /opt/watcom
           mkdir /opt/watcom
-          wget -qO- https://github.com/open-watcom/open-watcom-v2/releases/download/Current-build/ow-snapshot.tar.gz | tar -xvz -C /opt/watcom
+          wget -qO- https://github.com/open-watcom/open-watcom-v2/releases/download/Current-build/ow-snapshot.tar.xz | tar -Jxv -C /opt/watcom
           echo "/opt/watcom/binl64:/opt/watcom/binl" >> $GITHUB_PATH
       - uses: actions/checkout@v2
       - name: Build `cp437`
@@ -100,4 +100,4 @@ jobs:
             **/*.COM
             amikey/*.md
             multikey/*.md
-            viakey/*.md
\ No newline at end of file
+            viakey/*.md
diff --git a/biosdump/biosdump.c b/biosdump/biosdump.c
index 6bfc2dd..8b318d9 100644
--- a/biosdump/biosdump.c
+++ b/biosdump/biosdump.c
@@ -19,6 +19,7 @@
 #include "clib.h"
 
 
+/* Dummy comment. */
 static int
 dump_range(uint32_t base, uint32_t size, const char *id)
 {
@@ -26,7 +27,7 @@ dump_range(uint32_t base, uint32_t size, const char *id)
     FILE *f;
 
     /* Output the range being dumped. */
-    printf("Dumping %s BIOS range (%08X-%08X)...", id, base, base + size - 1);
+    printf("Dumping %s BIOS range (%08X-%08X)... ", id, base, base + size - 1);
 
     /* Generate file name. */
     sprintf(fn, "%08X.DMP", base);
@@ -34,20 +35,20 @@ dump_range(uint32_t base, uint32_t size, const char *id)
     /* Open the dump file. */
     f = fopen(fn, "wb");
     if (!f) {
-	printf(" FAILURE\n");
+	printf("FAILURE\n");
 	return 1;
     }
 
     /* Write the dump. */
     if (fwrite((char *) base, 1, size, f) != size) {
-	printf(" FAILURE\n");
+	printf("FAILURE\n");
 	fclose(f);
 	return 2;
     }
 
     /* Finish the dump. */
     fclose(f);
-    printf(" OK\n");
+    printf("OK\n");
 
     return 0;
 }