diff --git a/code-server/code_generator.cxx b/code-server/code_generator.cxx
index df25400..1c213f7 100644
--- a/code-server/code_generator.cxx
+++ b/code-server/code_generator.cxx
@@ -574,13 +574,13 @@ int parse_slave_list(const char* hostlist)
         }
 
         // Skip leading whitespace.
-        while (head < tail && (head == '\0' || isspace(*head))) {
+        while (head < tail && (*head == '\0' || isspace(*head))) {
             ++head;
         }
         host_ptr = head;
 
         // Find host boundary whitespace.
-        while (head < tail && (head != '\0' && !isspace(*head))) {
+        while (head < tail && (*head != '\0' && !isspace(*head))) {
             ++head;
         }
         host = string(host_ptr, head++);
@@ -596,7 +596,7 @@ int parse_slave_list(const char* hostlist)
         }
 
         // Skip trailing whitespace.
-        while (head < tail && (head == '\0' || isspace(*head))) {
+        while (head < tail && (*head == '\0' || isspace(*head))) {
             ++head;
         }