diff --git a/src/dock.c b/src/dock.c
index df173a84..dfda3022 100644
--- a/src/dock.c
+++ b/src/dock.c
@@ -2977,7 +2977,7 @@ execCommand(WAppIcon *btn, char *command, WSavedState *state)
 
     wtokensplit(cmdline, &argv, &argc);
 
-    if (argv==NULL) {
+    if (!argc) {
         if (cmdline)
             wfree(cmdline);
         if (state)
diff --git a/src/session.c b/src/session.c
index 83cf97ef..1c801c81 100644
--- a/src/session.c
+++ b/src/session.c
@@ -381,7 +381,7 @@ execCommand(WScreen *scr, char *command, char *host)
 
     wtokensplit(command, &argv, &argc);
 
-    if (argv==NULL) {
+    if (!argc) {
         return 0;
     }