diff --git a/src/backends/NetworkManagerDebian.c b/src/backends/NetworkManagerDebian.c
index ca7f4e68d..d4e607350 100644
--- a/src/backends/NetworkManagerDebian.c
+++ b/src/backends/NetworkManagerDebian.c
@@ -460,7 +460,7 @@ static void set_ip4_config_from_resolv_conf (const char *filename, NMIP4Config *
 				continue;
 
 			/* Allow space-separated search domains */
-			if (split_searches = g_strsplit (searches, " ", 0))
+			if ((split_searches = g_strsplit (searches, " ", 0)))
 			{
 				int m, srch_len;
 
diff --git a/src/backends/NetworkManagerRedHat.c b/src/backends/NetworkManagerRedHat.c
index c3537fdc8..e2c181a04 100644
--- a/src/backends/NetworkManagerRedHat.c
+++ b/src/backends/NetworkManagerRedHat.c
@@ -419,7 +419,7 @@ static void set_ip4_config_from_resolv_conf (const char *filename, NMIP4Config *
 				continue;
 
 			/* Allow space-separated search domains */
-			if (split_searches = g_strsplit (searches, " ", 0))
+			if ((split_searches = g_strsplit (searches, " ", 0)))
 			{
 				int m, srch_len;
 
diff --git a/src/backends/NetworkManagerSuSE.c b/src/backends/NetworkManagerSuSE.c
index baa1e0311..a39241e3f 100644
--- a/src/backends/NetworkManagerSuSE.c
+++ b/src/backends/NetworkManagerSuSE.c
@@ -384,7 +384,7 @@ static void set_ip4_config_from_resolv_conf (const char *filename, NMIP4Config *
 				continue;
 
 			/* Allow space-separated search domains */
-			if (split_searches = g_strsplit (searches, " ", 0))
+			if ((split_searches = g_strsplit (searches, " ", 0)))
 			{
 				int m, srch_len;