diff --git a/src/modal.c b/src/modal.c
index 56c55a2..4a94246 100644
--- a/src/modal.c
+++ b/src/modal.c
@@ -99,23 +99,24 @@ device_read(void)
 	if(dst_ - origin == 0) dst_--;
 }
 
-static void
-file_import(char *path)
+static char *
+file_import(char *path, char *ptr)
 {
 	FILE *f;
 	int pr = 0;
-	char c;
 	if((f = fopen(path, "r"))) {
+		char c;
 		while(fread(&c, 1, 1, f)) {
 			c = c <= 0x20 ? 0x20 : c;
 			if(c == '(') pr++;
 			if(c == ')') pr--;
-			*dst_++ = c;
+			*ptr++ = c;
 		}
 		fclose(f);
 		if(pr) fprintf(stderr, "Modal program imbalanced.\n");
-	} else
-		dst_ = copy("NAF", dst_, 3);
+		return ptr;
+	}
+	return copy("NAF", ptr, 3);
 }
 
 static void
@@ -127,7 +128,7 @@ write_reg(char r, char *reg)
 	case '_': {
 		char filepath[0x80];
 		copy(reg, filepath, walk(reg) - reg);
-		file_import(filepath);
+		dst_ = file_import(filepath, dst_);
 		return;
 	}
 	case '^': { /* op: join */
@@ -322,7 +323,7 @@ main(int argc, char **argv)
 		case 'n': /* infinite */ cycles = 0xffffffff; break;
 		}
 	}
-	dst_ = bank_a, file_import(argv[i]), dst_ = bank_b;
+	file_import(argv[i], src_);
 	while(rewrite() && ++rw)
 		if(!cycles--) return !fprintf(stderr, "Modal rewrites exceeded.\n");
 	if(!quiet) {