diff --git a/src/config/posix/ush_config.h b/src/config/posix/ush_config.h
index 16a515f..1b369ae 100644
--- a/src/config/posix/ush_config.h
+++ b/src/config/posix/ush_config.h
@@ -63,7 +63,7 @@ extern "C" {
 #define USH_CONFIG_TRANSLATION_FILE_NOT_FOUND                   "file not found"
 #define USH_CONFIG_TRANSLATION_READ_ONLY_FILE                   "read only file"
 
-#define USH_ASSERT(cond) { if (!(cond)) { fprintf(stderr, "ASSERT: %s:%d\n", __FILE__, __LINE__); exit(-1); } }
+#define USH_ASSERT(cond) { if (!(cond)) { fprintf(stderr, "ASSERT: %s:%d: %s\n", __FILE__, __LINE__, #cond); exit(-1); } }
 
 #ifdef __cplusplus
 }