diff --git a/src/joystick/os2/SDL_sysjoystick.c b/src/joystick/os2/SDL_sysjoystick.c
index 708dd761a..6ceb0d5fb 100644
--- a/src/joystick/os2/SDL_sysjoystick.c
+++ b/src/joystick/os2/SDL_sysjoystick.c
@@ -292,7 +292,7 @@ if (numdevs > 0)
 		/* Hack to define Joystick Port Names */
 		if ( numdevs > maxdevs ) numdevs = maxdevs;
 		for (i=0; i<numdevs; i++) {
-			SDL_sprintf (SYS_JoyData[i].szDeviceName, SDL_arraysize(szDeviceName), "Default Joystick %c", 'A'+SYS_JoyData[i].id);
+			SDL_snprintf (SYS_JoyData[i].szDeviceName, SDL_arraysize(szDeviceName), "Default Joystick %c", 'A'+SYS_JoyData[i].id);
 		}
 	}
 /* Return the number of devices found */
diff --git a/src/loadso/macosx/SDL_sysloadso.c b/src/loadso/macosx/SDL_sysloadso.c
index e1851fc16..08b12a539 100644
--- a/src/loadso/macosx/SDL_sysloadso.c
+++ b/src/loadso/macosx/SDL_sysloadso.c
@@ -1016,7 +1016,7 @@ static void *SDL_OSX_dlsym(void * dl_restrict handle, const char * dl_restrict s
 	malloc_sym = SDL_malloc(sym_len + 2);
 	if (malloc_sym)
 	{
-		SDL_sprintf(malloc_sym, sym_len+2, "_%s", symbol);
+		SDL_snprintf(malloc_sym, sym_len+2, "_%s", symbol);
 		value = dlsymIntern(handle, malloc_sym, 1);
 		SDL_free(malloc_sym);
 	}