diff --git a/src/modules/module_17200.c b/src/modules/module_17200.c
index 605f47f00..1be17645f 100644
--- a/src/modules/module_17200.c
+++ b/src/modules/module_17200.c
@@ -260,7 +260,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
   p = strtok(NULL, "*");
   if (p == NULL) return PARSER_HASH_LENGTH;
 
-  hex_to_binary(p, strlen(p) * 2, (char *) &(pkzip->hash.data));
+  hex_to_binary(p, strlen(p), (char *) &(pkzip->hash.data));
 
   // fake salt
   salt->salt_buf[0] = pkzip->hash.data[ 3] << 24 | pkzip->hash.data[ 2] << 16 | pkzip->hash.data[ 1] << 8 | pkzip->hash.data[ 0];
diff --git a/src/modules/module_17210.c b/src/modules/module_17210.c
index ac7947e5d..d4ac412fb 100644
--- a/src/modules/module_17210.c
+++ b/src/modules/module_17210.c
@@ -259,7 +259,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
   p = strtok(NULL, "*");
   if (p == NULL) return PARSER_HASH_LENGTH;
 
-    hex_to_binary(p, strlen(p) * 2, (char *) &(pkzip->hash.data));
+  hex_to_binary(p, strlen(p), (char *) &(pkzip->hash.data));
 
   // fake salt
   salt->salt_buf[0] = pkzip->hash.data[ 3] << 24 | pkzip->hash.data[ 2] << 16 | pkzip->hash.data[ 1] << 8 | pkzip->hash.data[ 0];
diff --git a/src/modules/module_17220.c b/src/modules/module_17220.c
index c896e783f..faec23a38 100644
--- a/src/modules/module_17220.c
+++ b/src/modules/module_17220.c
@@ -262,7 +262,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
     p = strtok(NULL, "*");
     if (p == NULL) return PARSER_HASH_LENGTH;
 
-    hex_to_binary(p, strlen(p) * 2, (char *) &(pkzip->hashes[i].data));
+    hex_to_binary(p, strlen(p), (char *) &(pkzip->hashes[i].data));
 
     // fake salt
     salt->salt_buf[0] ^= pkzip->hashes[i].data[ 3] << 24 | pkzip->hashes[i].data[ 2] << 16 | pkzip->hashes[i].data[ 1] << 8 | pkzip->hashes[i].data[ 0];
diff --git a/src/modules/module_17230.c b/src/modules/module_17230.c
index afd855693..1e744863c 100644
--- a/src/modules/module_17230.c
+++ b/src/modules/module_17230.c
@@ -262,7 +262,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
     p = strtok(NULL, "*");
     if (p == NULL) return PARSER_HASH_LENGTH;
 
-    hex_to_binary(p, strlen(p) * 2, (char *) &(pkzip->hashes[i].data));
+    hex_to_binary(p, strlen(p), (char *) &(pkzip->hashes[i].data));
 
     // fake salt
     salt->salt_buf[0] ^= pkzip->hashes[i].data[ 3] << 24 | pkzip->hashes[i].data[ 2] << 16 | pkzip->hashes[i].data[ 1] << 8 | pkzip->hashes[i].data[ 0];