diff --git a/cfg/global_vars.mk b/cfg/global_vars.mk
index aa5eeb2..ebef4ed 100644
--- a/cfg/global_vars.mk
+++ b/cfg/global_vars.mk
@@ -1,5 +1,5 @@
 # Version
-TOXIC_VERSION = 0.5.1
+TOXIC_VERSION = 0.5.2
 REV = $(shell git rev-list HEAD --count)
 VERSION = $(TOXIC_VERSION)_r$(REV)
 
diff --git a/src/misc_tools.c b/src/misc_tools.c
index 1afcec7..d88c53d 100644
--- a/src/misc_tools.c
+++ b/src/misc_tools.c
@@ -331,7 +331,7 @@ int check_file_signature(const char *signature, size_t size, FILE *fp)
 {
     char buf[size];
 
-    if (fread(buf, size, 1, fp) == -1)
+    if (fread(buf, size, 1, fp) != 1)
         return -1;
 
     int ret = memcmp(signature, buf, size);