diff --git a/colors.c b/colors.c
index d96f003..a0e7753 100644
--- a/colors.c
+++ b/colors.c
@@ -102,8 +102,7 @@ void colors_init() {
 			while (getline(&line, &size, dircolors) != -1) {
 				fg = 7;
 				bg = 0;
-				if (line[0] == '.') {
-					extension = strtok(line, " ");
+				if (line[0] == '.' && (extension = strtok(line, " ")) != NULL) {
 					colors[i].file_extension = malloc(strlen(extension)+1);
 					memcpy(colors[i].file_extension, extension, strlen(extension)+1);