diff --git a/src/ca65/main.c b/src/ca65/main.c
index fd06f685d..cbd514bc3 100644
--- a/src/ca65/main.c
+++ b/src/ca65/main.c
@@ -627,9 +627,9 @@ static void OptVerbose (const char* Opt attribute ((unused)),
 
 
 
-static void OptVersion(const char* Opt attribute((unused)),
-                       const char* Arg attribute((unused)))
-	/* Print the assembler version */
+static void OptVersion (const char* Opt attribute((unused)),
+                        const char* Arg attribute((unused)))
+/* Print the assembler version */
 {
     fprintf(stderr, "%s V%s\n", ProgName, GetVersionAsString());
     exit(EXIT_SUCCESS);
diff --git a/src/cc65/main.c b/src/cc65/main.c
index 1fd670340..8fc774f87 100644
--- a/src/cc65/main.c
+++ b/src/cc65/main.c
@@ -747,9 +747,9 @@ static void OptVerbose (const char* Opt attribute ((unused)),
 
 
 
-static void OptVersion(const char* Opt attribute((unused)),
-                       const char* Arg attribute((unused)))
-	/* Print the compiler version */
+static void OptVersion (const char* Opt attribute((unused)),
+                        const char* Arg attribute((unused)))
+/* Print the compiler version */
 {
     fprintf(stderr, "%s V%s\n", ProgName, GetVersionAsString());
     exit(EXIT_SUCCESS);