diff --git a/include/freerdp/freerdp.h b/include/freerdp/freerdp.h
index ee7f0fa4e..575f8c9e1 100644
--- a/include/freerdp/freerdp.h
+++ b/include/freerdp/freerdp.h
@@ -260,9 +260,9 @@ FREERDP_API UINT32 freerdp_error_info(freerdp* instance);
 FREERDP_API void freerdp_set_error_info(rdpRdp* rdp, UINT32 error);
 
 FREERDP_API void freerdp_get_version(int* major, int* minor, int* revision);
-FREERDP_API char* freerdp_get_version_string(void);
-FREERDP_API char* freerdp_get_build_date(void);
-FREERDP_API char* freerdp_get_build_revision(void);
+FREERDP_API const char* freerdp_get_version_string(void);
+FREERDP_API const char* freerdp_get_build_date(void);
+FREERDP_API const char* freerdp_get_build_revision(void);
 
 FREERDP_API freerdp* freerdp_new(void);
 FREERDP_API void freerdp_free(freerdp* instance);
diff --git a/libfreerdp/core/freerdp.c b/libfreerdp/core/freerdp.c
index fcead8752..1fa894a15 100644
--- a/libfreerdp/core/freerdp.c
+++ b/libfreerdp/core/freerdp.c
@@ -394,12 +394,12 @@ void freerdp_get_version(int* major, int* minor, int* revision)
 		*revision = FREERDP_VERSION_REVISION;
 }
 
-char* freerdp_get_version_string(void)
+const char* freerdp_get_version_string(void)
 {
 	return FREERDP_VERSION_FULL;
 }
 
-char* freerdp_get_build_date(void)
+const char* freerdp_get_build_date(void)
 {
 	static char build_date[64];
 
@@ -408,7 +408,7 @@ char* freerdp_get_build_date(void)
 	return build_date;
 }
 
-char* freerdp_get_build_revision(void)
+const char* freerdp_get_build_revision(void)
 {
 	return GIT_REVISION;
 }
diff --git a/winpr/include/winpr/winpr.h b/winpr/include/winpr/winpr.h
index 07938d7e6..87cc17d1c 100644
--- a/winpr/include/winpr/winpr.h
+++ b/winpr/include/winpr/winpr.h
@@ -48,8 +48,8 @@
 #endif
 
 WINPR_API void winpr_get_version(int* major, int* minor, int* revision);
-WINPR_API char* winpr_get_version_string(void);
-WINPR_API char* winpr_get_build_date(void);
-WINPR_API char* winpr_get_build_revision(void);
+WINPR_API const char* winpr_get_version_string(void);
+WINPR_API const char* winpr_get_build_date(void);
+WINPR_API const char* winpr_get_build_revision(void);
 
 #endif /* WINPR_H */
diff --git a/winpr/libwinpr/utils/winpr.c b/winpr/libwinpr/utils/winpr.c
index ce68bfc49..3a1d5f3cf 100644
--- a/winpr/libwinpr/utils/winpr.c
+++ b/winpr/libwinpr/utils/winpr.c
@@ -37,12 +37,12 @@ void winpr_get_version(int* major, int* minor, int* revision)
 		*revision = WINPR_VERSION_REVISION;
 }
 
-char* winpr_get_version_string(void)
+const char* winpr_get_version_string(void)
 {
 	return WINPR_VERSION_FULL;
 }
 
-char* winpr_get_build_date(void)
+const char* winpr_get_build_date(void)
 {
 	static char build_date[64];
 
@@ -51,7 +51,7 @@ char* winpr_get_build_date(void)
 	return build_date;
 }
 
-char* winpr_get_build_revision(void)
+const char* winpr_get_build_revision(void)
 {
 	return GIT_REVISION;
 }