parse_options_getopt.c | 8 ++++----
 parse_options_popt.c   | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/parse_options_getopt.c b/parse_options_getopt.c
index 1f80966..ea2b266 100644
--- a/parse_options_getopt.c
+++ b/parse_options_getopt.c
@@ -98,9 +98,9 @@ struct detox_options *parse_options_getopt(int argc, char **argv)
 #endif
 		switch (optcode) {
 			case 'h':
-				printf(usage_message);
+				printf("%s", usage_message);
 				printf("\n");
-				printf(help_message);
+				printf("%s", help_message);
 				exit(EXIT_SUCCESS);
 
 			case 'f':
@@ -138,7 +138,7 @@ struct detox_options *parse_options_getopt(int argc, char **argv)
 				exit(EXIT_SUCCESS);
 
 			case '?':
-				printf(usage_message);
+				printf("%s", usage_message);
 				exit(EXIT_SUCCESS);
 
 			case 0:
@@ -195,7 +195,7 @@ struct detox_options *parse_options_getopt(int argc, char **argv)
 	}
 	else {
 #ifndef INLINE_MODE
-		printf(usage_message);
+		printf("%s", usage_message);
 		exit(EXIT_FAILURE);
 #endif
 	}
diff --git a/parse_options_popt.c b/parse_options_popt.c
index 60dad7a..370c3cc 100644
--- a/parse_options_popt.c
+++ b/parse_options_popt.c
@@ -94,9 +94,9 @@ struct detox_options *parse_options_popt(int argc, const char **argv)
 	while ((c = poptGetNextOpt(optCon)) >= 0) {
 		switch (c) {
 			case 'h':
-				printf(usage_message);
+				printf("%s", usage_message);
 				printf("\n");
-				printf(help_message);
+				printf("%s", help_message);
 				exit(EXIT_SUCCESS);
 
 			case 'f':
@@ -142,7 +142,7 @@ struct detox_options *parse_options_popt(int argc, const char **argv)
 				break;
 
 			case '?':
-				printf(usage_message);
+				printf("%s", usage_message);
 				exit(EXIT_SUCCESS);
 
 		}
@@ -177,7 +177,7 @@ struct detox_options *parse_options_popt(int argc, const char **argv)
 
 #ifndef INLINE_MODE
 	if (i == 0) {
-		fprintf(stderr, usage_message);
+		fprintf(stderr, "%s", usage_message);
 		exit(EXIT_FAILURE);
 	}
 #endif