diff --git a/libfreerdp/core/test/TestVersion.c b/libfreerdp/core/test/TestVersion.c
index a3634ebd7..3203088c0 100644
--- a/libfreerdp/core/test/TestVersion.c
+++ b/libfreerdp/core/test/TestVersion.c
@@ -3,9 +3,9 @@
 
 int TestVersion(int argc, char* argv[])
 {
-	char *version;
-	char *git;
-	char *build;
+	const char *version;
+	const char *git;
+	const char *build;
 	int major = 0, minor = 0, revision = 0;
 
 	freerdp_get_version(&major, &minor, &revision);
diff --git a/winpr/libwinpr/utils/test/TestVersion.c b/winpr/libwinpr/utils/test/TestVersion.c
index 0253bb23f..cef572892 100644
--- a/winpr/libwinpr/utils/test/TestVersion.c
+++ b/winpr/libwinpr/utils/test/TestVersion.c
@@ -6,9 +6,9 @@
 
 int TestVersion(int argc, char* argv[])
 {
-	char *version;
-	char *git;
-	char *build;
+	const char *version;
+	const char *git;
+	const char *build;
 	int major = 0, minor = 0, revision = 0;
 
 	winpr_get_version(&major, &minor, &revision);