diff --git a/src/lib/common/include/sol-log.h b/src/lib/common/include/sol-log.h
index 3d0e1260a..61b61cb9c 100644
--- a/src/lib/common/include/sol-log.h
+++ b/src/lib/common/include/sol-log.h
@@ -472,7 +472,7 @@ sol_log_domain_init_level(struct sol_log_domain *domain)
 #ifdef SOL_LOG_FILES
 #define SOL_LOG_FILE __FILE__
 #else
-#define SOL_LOG_FILE NULL
+#define SOL_LOG_FILE ""
 #endif
 
 /**
@@ -489,7 +489,7 @@ sol_log_domain_init_level(struct sol_log_domain *domain)
 #ifdef SOL_LOG_FUNCTIONS
 #define SOL_LOG_FUNCTION __PRETTY_FUNCTION__
 #else
-#define SOL_LOG_FUNCTION NULL
+#define SOL_LOG_FUNCTION ""
 #endif
 
 /**
diff --git a/src/lib/common/sol-log.c b/src/lib/common/sol-log.c
index b55e27d2f..fb8a83a65 100644
--- a/src/lib/common/sol-log.c
+++ b/src/lib/common/sol-log.c
@@ -58,9 +58,9 @@ static bool _inited = false;
         if (SOL_UNLIKELY(!_inited)) { \
             fprintf(stderr, "CRITICAL:%s:%d:%s() " \
                 "SOL_LOG used before initialization. "fmt "\n", \
-                SOL_LOG_FILE ? : "", \
+                SOL_LOG_FILE, \
                 __LINE__, \
-                SOL_LOG_FUNCTION ? : "", \
+                SOL_LOG_FUNCTION, \
                 ## __VA_ARGS__); \
             abort(); \
         } \