diff --git a/include/asm/main.h b/include/asm/main.h
index 4ec5712d..8ea718a4 100644
--- a/include/asm/main.h
+++ b/include/asm/main.h
@@ -11,6 +11,7 @@ struct sOptions {
 	bool verbose;
 	bool haltnop;
 	bool exportall;
+	bool warnings; /* true to enable warnings, false to disable them. */
 	    //-1 == random
 };
 
diff --git a/src/asm/main.c b/src/asm/main.c
index 71049ba0..8423c029 100644
--- a/src/asm/main.c
+++ b/src/asm/main.c
@@ -256,6 +256,9 @@ fatalerror(const char *fmt, ...)
 void
 warning(const char *fmt, ...)
 {
+	if (!CurrentOptions.warnings)
+		return;
+
 	va_list args;
 	va_start(args, fmt);
 
@@ -312,12 +315,13 @@ main(int argc, char *argv[])
 	DefaultOptions.verbose = false;
 	DefaultOptions.haltnop = true;
 	DefaultOptions.exportall = false;
+	DefaultOptions.warnings = true;
 
 	opt_SetCurrentOptions(&DefaultOptions);
 
 	newopt = CurrentOptions;
 
-	while ((ch = getopt(argc, argv, "b:D:g:hi:o:p:vE")) != -1) {
+	while ((ch = getopt(argc, argv, "b:D:g:hi:o:p:vEw")) != -1) {
 		switch (ch) {
 		case 'b':
 			if (strlen(optarg) == 2) {
@@ -367,6 +371,9 @@ main(int argc, char *argv[])
 		case 'E':
 			newopt.exportall = true;
 			break;
+		case 'w':
+			newopt.warnings = false;
+			break;
 		default:
 			usage();
 		}
diff --git a/src/asm/rgbasm.1 b/src/asm/rgbasm.1
index e81fb7a7..36006052 100644
--- a/src/asm/rgbasm.1
+++ b/src/asm/rgbasm.1
@@ -20,7 +20,7 @@
 .Nd Game Boy assembler
 .Sh SYNOPSIS
 .Nm rgbasm
-.Op Fl Ehv
+.Op Fl Ehvw
 .Op Fl b Ar chars
 .Op Fl D Ar name Ns Op = Ns Ar value
 .Op Fl g Ar chars
@@ -68,6 +68,8 @@ When padding an image, pad with this value.
 The default is 0x00.
 .It Fl v
 Be verbose.
+.It Fl w
+Disable warning output.
 .El
 .Sh EXAMPLES
 Assembling a basic source file is simple: